[1] : The Collaborative International Dictionary of English v.0.48

vocal \vo"cal\ v=o"kal, a. l. vocalis, fr. vox, vocis,
   voice: cf. f. vocal. see voice, and cf. vowel.
   1. of or pertaining to the voice or speech; having voice;
      endowed with utterance; full of voice, or voices.
      1913 webster

            to hill or valley, fountain, or fresh shade,
            made vocal by my song.                --milton.
      1913 webster

   2. uttered or modulated by the voice; oral; as, vocal melody;
      vocal prayer. "vocal worship." --milton.
      1913 webster

   3. of or pertaining to a vowel or voice sound; also, spoken
      with tone, intonation, and resonance; sonant; sonorous; --
      said of certain articulate sounds.
      1913 webster

   4. phon.
      a consisting of, or characterized by, voice, or tone
          produced in the larynx, which may be modified, either
          by resonance, as in the case of the vowels, or by
          obstructive action, as in certain consonants, such as
          v, l, etc., or by both, as in the nasals m, n, ng;
          sonant; intonated; voiced. see voice, and vowel,
          also guide to pronunciation, sectsect 199-202.
      b of or pertaining to a vowel; having the character of a
          vowel; vowel.
          1913 webster

   vocal cords or vocal chords. n. pl. anat. the two pairs
      of mucous membranes that project into the larynx, and
      which produce the sounds of speech by vibrating under the
      influence of air exhaled from the lungs. see larynx, and
      the note under voice, n., 1.

   vocal fremitus l. fremitus a dull roaring or murmuring
      med., the perceptible vibration of the chest wall,
      produced by the transmission of the sonorous vibrations
      during the act of using the voice.

   vocal music, music made by the voice, in distinction from
      instrumental music; hence, music or tunes set to words,
      to be performed by the human voice.

   vocal tube anat., the part of the air passages above the
      inferior ligaments of the larynx, including the passages
      through the nose and mouth.
      1913 webster
see also:
voice vowel vocal cords vocal chords larynx vocal fremitus 
vocal music instrumental music vocal tube 

[2] : The Collaborative International Dictionary of English v.0.48

vocal \vo"cal\ v=o"kal, n. cf. f. vocal, ll. vocalis.
   1913 webster
   1. phon. a vocal sound; specifically, a purely vocal
      element of speech, unmodified except by resonance; a vowel
      or a diphthong; a tonic element; a tonic; -- distinguished
      from a subvocal, and a nonvocal.
      1913 webster

   2. r. c. ch. a man who has a right to vote in certain
      elections.
      1913 webster

[3] : WordNet (r) 2.0

vocal
     adj 1: relating to or designed for or using the singing voice;
            "vocal technique"; "the vocal repertoire"; "organized
            a vocal group to sing his compositions" ant: instrumental
     2: having or using the power to produce speech or sound; "vocal
        organs"; "all vocal beings hymned their praise"
     3: using the voice in song; "vocal music" syn: sung
     4: given to expressing yourself freely or insistently;
        "outspoken in their opposition to segregation"; "a vocal
        assembly" syn: outspoken
     5: using the voice in speech; "vocal communication"; "either
        silent or vocal prayers"; "vocal noises" syn: spoken
     6: full of the sound of voices; "a playground vocal with the
        shouts and laughter of children"
see also:
instrumental sung outspoken spoken 

[4] : Moby Thesaurus II by Grady Ward, 1.0

58 moby thesaurus words for "vocal":
   alto, articulate, articulated, baritone, bass, bravura, choral,
   choric, coloratura, dramatic, eloquent, enunciated, expressed,
   expressive, falsetto, fluent, free, free-spoken, heroic, hymnal,
   intonated, lingual, linguistic, liturgical, lyric, nuncupative,
   operatic, oral, outspoken, parol, pronounced, psalmic, psalmodial,
   psalmodic, round, sacred, said, singing, smooth-spoken, sonant,
   soprano, sounded, speech, spoken, stentorian, tenor, treble,
   unwritten, uttered, venting, verbal, viva voce, vocalized, voiced,
   voiceful, voicing, vowel, vowellike

Vocal >> V Words
Vocal, definition of term: Vocal
vocal_pag1.html

Vocal Fold >> V Words
Vocal Fold, definition of term: Vocal Fold
vocal+fold_pag1.html

Vocal Cord >> V Words
Vocal Cord, definition of term: Vocal Cord
vocal+cord_pag1.html

Vocal Cords >> V Words
Vocal Cords, definition of term: Vocal Cords
vocal+cords_pag1.html