adjective

1. 1. uttered or produced by the voice; esp., spoken; oral vocal sounds
   2. sung or to be sung vocal music
2. having a voice; capable of speaking or making oral sounds
3. of, used in, connected with, or belonging to the voice vocal organs
4. full of voice or voices; sounding
5. expressing or inclined to express oneself in speech; speaking freely or vociferously
6. Phonet.
   1. vocalic
   2. voiced

Etymology: ME < L vocalis < vox, voice

noun

1. a vocal sound
2. the part of a popular song that is, or is to be, sung, rather than played by the instruments alone