The Collaborative International Dictionary of English v.0.48:

Latitude \Lat"i*tude\, n. [F. latitude, L. latitudo, fr. latus
   broad, wide, for older stlatus; perh. akin to E. strew.]
   1. Extent from side to side, or distance sidewise from a
      given point or line; breadth; width.
      [1913 Webster]

            Provided the length do not exceed the latitude above
            one third part.                       --Sir H.
                                                  Wotton.
      [1913 Webster]

   2. Room; space; freedom from confinement or restraint; hence,
      looseness; laxity; independence.
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            In human actions there are no degrees and precise
            natural limits described, but a latitude is
            indulged.                             --Jer. Taylor.
      [1913 Webster]

   3. Extent or breadth of signification, application, etc.;
      extent of deviation from a standard, as truth, style, etc.
      [1913 Webster]

            No discreet man will believe Augustine's miracles,
            in the latitude of monkish relations. --Fuller.
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   4. Extent; size; amplitude; scope.
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            I pretend not to treat of them in their full
            latitude.                             --Locke.
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   5. (Geog.) Distance north or south of the equator, measured
      on a meridian.
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   6. (Astron.) The angular distance of a heavenly body from the
      ecliptic.
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   Ascending latitude, Circle of latitude, Geographical
   latitude, etc. See under Ascending. Circle, etc.

   High latitude, that part of the earth's surface near either
      pole, esp. that part within either the arctic or the
      antarctic circle.

   Low latitude, that part of the earth's surface which is
      near the equator.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Heliocentric \He`li*o*cen"tric\
   (h[=e]`l[i^]*[-o]*s[e^]n"tr[i^]k), Heliocentrical
\He`li*o*cen"tric"al\ (h[=e]`l[i^]*[-o]*s[e^]n"tr[i^]*kal), a.
   [Helio- + centric, centrical: cf. F. h['e]liocentrique.]
   (Astron.)
   pertaining to the sun's center, or appearing to be seen from
   it; having, or relating to, the sun as a center; -- opposed
   to geocentrical.
   [1913 Webster]

   Heliocentric parallax. See under Parallax.

   Heliocentric place, latitude, longitude, etc. (of a
      heavenly body), the direction, latitude, longitude, etc.,
      of the body as viewed from the sun.
      [1913 Webster]

WordNet (r) 3.0 (2006):

latitude
    n 1: the angular distance between an imaginary line around a
         heavenly body parallel to its equator and the equator
         itself
    2: freedom from normal restraints in conduct; "the new freedom
       in movies and novels"; "allowed his children considerable
       latitude in how they spent their money"
    3: an imaginary line around the Earth parallel to the equator
       [syn: latitude, line of latitude, parallel of latitude,
       parallel]
    4: scope for freedom of e.g. action or thought; freedom from
       restriction

Moby Thesaurus II by Grady Ward, 1.0:

151 Moby Thesaurus words for "latitude":
   Antarctic Zone, Arctic Circle, Arctic Zone, Cartesian coordinates,
   Frigid Zones, Lambert conformal projection, Mercator projection,
   Miller projection, Torrid Zone, Tropic of Cancer,
   Tropic of Capricorn, Variable Zones, abscissa, aeronautical chart,
   air space, altitude, ample scope, amplitude, astronomical chart,
   atlas, azimuth, azimuthal equidistant projection,
   azimuthal projection, beam, blank check, breadth, broad gauge,
   broad-mindedness, broadness, carte blanche, cartographer,
   cartography, celestial chart, celestial globe, chart, chorographer,
   chorography, clearance, climate, climatic chart, clime,
   conic projection, contour line, contour map,
   cylindrical coordinates, cylindrical projection, declination,
   distance across, ecumenicalism, ecumenicism, ecumenicity,
   ecumenism, elbowroom, equator, equator coordinates, expanse,
   extent, field, free course, free hand, free play, free scope,
   full scope, full swing, fullness, general reference map, globe,
   gnomonic projection, graphic scale, grid line, hachure, headroom,
   heliographic chart, horse latitudes, hydrographic chart, index,
   isoline, large-mindedness, layer tint, leeway, legend, long rope,
   longitude, longitude in arc, maneuvering space, map, map maker,
   map projection, mapper, margin, meridian, no holds barred,
   noninsularity, open space, ordinate, parallel, photogrammetrist,
   photogrammetry, photomap, phototopography, physical map, play,
   polar coordinates, political map, polyconic projection,
   prime meridian, projection, range, relief map,
   representative fraction, right ascension, road map,
   roaring forties, room, room to spare, rope, scale, scope, sea room,
   sinusoidal projection, space, spacious mind, span, spare room,
   special map, spread, subtropics, swing, terrain map,
   terrestrial globe, the line, thematic map, tolerance, topographer,
   topographic chart, topography, transportation map, tropic, tropics,
   unbigotedness, unhideboundness, unparochialism, unprovincialism,
   way, weather chart, weather map, wide berth, wide-mindedness,
   wideness, width, zone