The Collaborative International Dictionary of English v.0.48:

Verse \Verse\ (v[~e]rs), n. [OE. vers, AS. fers, L. versus a
   line in writing, and, in poetry, a verse, from vertere,
   versum, to turn, to turn round; akin to E. worth to become:
   cf. F. vers. See Worth to become, and cf. Advertise,
   Averse, Controversy, Convert, Divers, Invert,
   Obverse, Prose, Suzerain, Vortex.]
   1. A line consisting of a certain number of metrical feet
      (see Foot, n., 9) disposed according to metrical rules.
      [1913 Webster]

   Note: Verses are of various kinds, as hexameter,
         pentameter, tetrameter, etc., according to the
         number of feet in each. A verse of twelve syllables is
         called an Alexandrine. Two or more verses form a
         stanza or strophe.
         [1913 Webster]

   2. Metrical arrangement and language; that which is composed
      in metrical form; versification; poetry.
      [1913 Webster]

            Such prompt eloquence
            Flowed from their lips in prose or numerous verse.
                                                  --Milton.
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            Virtue was taught in verse.           --Prior.
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            Verse embalms virtue.                 --Donne.
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   3. A short division of any composition. Specifically:
      [1913 Webster]
      (a) A stanza; a stave; as, a hymn of four verses.
          [1913 Webster]

   Note: Although this use of verse is common, it is
         objectionable, because not always distinguishable from
         the stricter use in the sense of a line.
         [1913 Webster]
      (b) (Script.) One of the short divisions of the chapters
          in the Old and New Testaments.
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   Note: The author of the division of the Old Testament into
         verses is not ascertained. The New Testament was
         divided into verses by Robert Stephens [or Estienne], a
         French printer. This arrangement appeared for the first
         time in an edition printed at Geneva, in 1551.
         [1913 Webster]
      (c) (Mus.) A portion of an anthem to be performed by a
          single voice to each part.
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   4. A piece of poetry. "This verse be thine." --Pope.
      [1913 Webster]

   Blank verse, poetry in which the lines do not end in
      rhymes.

   Heroic verse. See under Heroic.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Verse \Verse\, v. t. [imp. & p. p. Versed (v[~e]rst); p. pr. &
   vb. n. Versing.]
   To tell in verse, or poetry. [Obs.]
   [1913 Webster]

         Playing on pipes of corn and versing love. --Shak.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Verse \Verse\, v. i.
   To make verses; to versify. [Obs.]
   [1913 Webster]

         It is not rhyming and versing that maketh a poet. --Sir
                                                  P. Sidney.
   [1913 Webster]

WordNet (r) 3.0 (2006):

verse
    n 1: literature in metrical form [syn: poetry, poesy,
         verse]
    2: a piece of poetry [syn: verse, rhyme]
    3: a line of metrical text [syn: verse, verse line]
    v 1: compose verses or put into verse; "He versified the ancient
         saga" [syn: verse, versify, poetize, poetise]
    2: familiarize through thorough study or experience; "She versed
       herself in Roman archeology"

Moby Thesaurus II by Grady Ward, 1.0:

259 Moby Thesaurus words for "verse":
   English sonnet, Horatian ode, Italian sonnet, Petrarchan sonnet,
   Pindaric ode, Sapphic ode, Shakespearean sonnet, Spenserian stanza,
   acquaint, adage, advertise, advertise of, advise, alba, ana,
   anacreontic, anacrusis, analects, antistrophe, aphorism, apothegm,
   apprise, article, avant-propos, axiom, back matter, balada, ballad,
   ballade, bass passage, book, bourdon, breakthrough, bridge, brief,
   bring word, bucolic, burden, byword, cadence, canso, canto,
   catchword, chanson, chapter, chorus, clause, clerihew,
   climb Parnassus, coda, collected sayings, column, communicate,
   compose poetry, couplet, current saying, development, dictate,
   dictum, dirge, disclose, distich, dithyramb, division, eclogue,
   elegize, elegy, enlighten, envoi, epic, epigram, epithalamium,
   epode, epopee, epopoeia, epos, exordium, exposition, expression,
   familiarize, fascicle, figure, folderol, folio, foreword,
   front matter, frontispiece, gathering, georgic, ghazel,
   give notice, give the facts, give word, gnome, golden saying,
   haiku, harmonic close, heptastich, hexastich, idyll, inform,
   innovation, installment, instruct, interlude, intermezzo,
   introduction, introductory phrase, jingle, lay, leap, leave word,
   let know, limerick, line, lisp in numbers, livraison, lyric,
   madrigal, make immortal verse, maxim, measure, mention to, monody,
   monostich, moral, mot, motto, mount Pegasus, movement,
   musical phrase, musical sentence, musical thought, narrative poem,
   notify, number, nursery rhyme, octastich, octave, octet, ode,
   oracle, ornament, ottava rima, overture, page, palinode, paragraph,
   part, passage, pastoral, pastoral elegy, pastorela, pastourelle,
   pentastich, period, phrase, pithy saying, poem, poesy, poetize,
   poetry, postulate, preamble, precept, preface, prefix, prefixture,
   preliminary, prelude, premise, prescript, presupposition, proem,
   prolegomena, prolegomenon, prolepsis, prologue, protasis,
   prothalamium, proverb, proverbial saying, proverbs, quatrain,
   refrain, report, resolution, response, rhyme, rhyme royal,
   ritornello, rondeau, rondel, roundel, roundelay, rune, satire, saw,
   saying, section, send word, sentence, sententious expression,
   septet, serial, serve notice, sestet, sestina, sextet, sheet,
   signature, sing, sing deathless songs, sloka, song, sonnet,
   sonnet sequence, speak, stanza, statement, stave, stock saying,
   strain, strophe, sutra, syllable, tailpiece, tanka, teaching, tell,
   tenso, tenzone, tercet, terza rima, tetrastich, text,
   the supreme fiction, threnody, triolet, triplet, tristich,
   troubadour poem, tutti, tutti passage, variation, verselet,
   versicle, versify, villanelle, virelay, volume, voluntary, wisdom,
   wisdom literature, wise saying, witticism, word, words of wisdom,
   write poetry