a.

1. 声的，声音的[Z][B]
   The tongue is one of the vocal organs.

   舌头是发声器官之一。

2. 歌唱的，声乐的[Z]
   I like vocal music.

   我喜欢声乐。

3. 用言语表达的，口头的[Z]
   a vocal message

   口信

4. 畅所欲言的，直言不讳的
   Today the young are much more vocal.

   现今年轻人比过去更为大胆地表述自己的意见。

5. 【语】元音的；浊音的[Z]

n.[C]

1. 【语】元音；浊音
   All vowels are vocals.

   所有元音都是浊音。

2. 声乐作品；声乐节目

adj.

1. relating to the human voice.
   ▸Anatomy  used in the production of speech sounds.
2. expressing opinions or feelings freely or loudly.
3. (of music) consisting of or incorporating singing.

n.

1. (also vocals) a musical performance involving singing.
2. a part of a piece of music that is sung.