The Collaborative International Dictionary of English v.0.48:

Hold \Hold\ (h[=o]ld), n.
   1. The act of holding, as in or with the hands or arms; the
      manner of holding, whether firm or loose; seizure; grasp;
      clasp; grip; possession; -- often used with the verbs take
      and lay.
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            Ne have I not twelve pence within mine hold.
                                                  --Chaucer.
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            Thou should'st lay hold upon him.     --B. Jonson.
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            My soul took hold on thee.            --Addison.
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            Take fast hold of instruction.        --Pror. iv.
                                                  13.
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   2. The authority or ground to take or keep; claim.
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            The law hath yet another hold on you. --Shak.
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   3. Binding power and influence.
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            Fear . . . by which God and his laws take the surest
            hold of.                              --Tillotson.
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   4. Something that may be grasped; means of support.
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            If a man be upon an high place without rails or good
            hold, he is ready to fall.            --Bacon.
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   5. A place of confinement; a prison; confinement; custody;
      guard.
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            They . . . put them in hold unto the next day.
                                                  --Acts. iv. 3.
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            King Richard, he is in the mighty hold
            Of Bolingbroke.                       --Shak.
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   6. A place of security; a fortified place; a fort; a castle;
      -- often called a stronghold. --Chaucer.
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            New comers in an ancient hold         --Tennyson.
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   7. (Mus.) A character [thus ?] placed over or under a note or
      rest, and indicating that it is to be prolonged; -- called
      also pause, and corona.
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The Collaborative International Dictionary of English v.0.48:

Corona \Co*ro"na\ (k?-r?"n?), n.; pl. L. Coron[ae] (-n?), E.
   Coronas (-n?z). [L. corona crown. See Crown.]
   1. A crown or garland bestowed among the Romans as a reward
      for distinguished services.
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   2. (Arch.) The projecting part of a Classic cornice, the
      under side of which is cut with a recess or channel so as
      to form a drip. See Illust. of Column.
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   3. (Anat.) The upper surface of some part, as of a tooth or
      the skull; a crown.
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   4. (Zool.) The shelly skeleton of a sea urchin.
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   5. (Astronomy) A peculiar luminous appearance, or aureola,
      which surrounds the sun, and which is seen only when the
      sun is totally eclipsed by the moon.
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   6. (Bot.)
      (a) An inner appendage to a petal or a corolla, often
          forming a special cup, as in the daffodil and jonquil.
      (b) Any crownlike appendage at the top of an organ.
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   7. (Meteorol.)
      (a) A circle, usually colored, seen in peculiar states of
          the atmosphere around and close to a luminous body, as
          the sun or moon.
      (b) A peculiar phase of the aurora borealis, formed by
          the concentration or convergence of luminous beams
          around the point in the heavens indicated by the
          direction of the dipping needle.
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   8. A crown or circlet suspended from the roof or vaulting of
      churches, to hold tapers lighted on solemn occasions. It
      is sometimes formed of double or triple circlets, arranged
      pyramidically. Called also corona lucis. --Fairholt.
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   9. (Mus.) A character [[pause]] called the pause or hold.
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WordNet (r) 3.0 (2006):

corona
    n 1: the outermost region of the sun's atmosphere; visible as a
         white halo during a solar eclipse [syn: aureole,
         corona]
    2: (botany) the trumpet-shaped or cup-shaped outgrowth of the
       corolla of a daffodil or narcissus flower
    3: an electrical discharge accompanied by ionization of
       surrounding atmosphere [syn: corona discharge, corona,
       corposant, St. Elmo's fire, Saint Elmo's fire, Saint
       Elmo's light, Saint Ulmo's fire, Saint Ulmo's light,
       electric glow]
    4: one or more circles of light seen around a luminous object
    5: (anatomy) any structure that resembles a crown in shape
    6: a long cigar with blunt ends

Moby Thesaurus II by Grady Ward, 1.0:

104 Moby Thesaurus words for "corona":
   Havana, O, androecium, annular muscle, annulus, anthelion, anther,
   antisun, areola, aura, aureole, belvedere, box of cigars, calyx,
   carpel, ceiling fixture, chandelier, chaplet, cheroot,
   chromosphere, cigar, cigar box, cigar case, cigar cutter,
   cigarillo, circle, circlet, circuit, circumference, circus,
   closed circle, colorado, corolla, corolla tube, corona lucis,
   coronet, countersun, crown, cycle, daystar, diadem, discus, disk,
   electrolier, epicalyx, eternal return, fairy ring, garland,
   gasolier, glory, gynoecium, halo, humidor, lasso, logical circle,
   loop, looplet, lunar corona, lunar halo, luster, magic circle,
   megasporophyll, microsporophyll, mock moon, mock sun, moon dog,
   nimbus, noose, orb of day, orbit, paraselene, parhelic circle,
   parhelion, perianth, petal, photosphere, pistil, radius, rainbow,
   receptacle, ring, rondelle, rope, round, roundel, saucer,
   solar corona, solar flare, solar halo, solar prominence,
   solar wind, sphincter, stamen, stigma, stinker, stogie, style, sun,
   sun dog, torus, trichinopoly, vicious circle, wheel, wreath



U.S. Gazetteer Places (2000):

Corona, CA -- U.S. city in California
   Population (2000):    124966
   Housing Units (2000): 39271
   Land area (2000):     35.147098 sq. miles (91.030562 sq. km)
   Water area (2000):    0.022597 sq. miles (0.058527 sq. km)
   Total area (2000):    35.169695 sq. miles (91.089089 sq. km)
   FIPS code:            16350
   Located within:       California (CA), FIPS 06
   Location:             33.869998 N, 117.567783 W
   ZIP Codes (1990):     91719 91720
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Corona, CA
    Corona


U.S. Gazetteer Places (2000):

Corona, NM -- U.S. village in New Mexico
   Population (2000):    165
   Housing Units (2000): 118
   Land area (2000):     1.022275 sq. miles (2.647680 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    1.022275 sq. miles (2.647680 sq. km)
   FIPS code:            17680
   Located within:       New Mexico (NM), FIPS 35
   Location:             34.250498 N, 105.595475 W
   ZIP Codes (1990):     88318
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Corona, NM
    Corona


U.S. Gazetteer Places (2000):

Corona, SD -- U.S. town in South Dakota
   Population (2000):    112
   Housing Units (2000): 63
   Land area (2000):     0.244176 sq. miles (0.632414 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    0.244176 sq. miles (0.632414 sq. km)
   FIPS code:            13940
   Located within:       South Dakota (SD), FIPS 46
   Location:             45.334033 N, 96.764419 W
   ZIP Codes (1990):     57227
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Corona, SD
    Corona