(bas) noun
1. One of various spiny-finned, marine and fresh-water food fishes, especially the European sea bass (Dicentrarchus labrax), the American striped bass (Roccus lineatus), and the black basses (genus Micropterus).
2. The European perch (Perca fluviatilis).
3. The cabrilla (def. 2). [OE bœrs]

(bās) noun Music
1. The lowest-pitched male singing voice.
2. A deep, low sound, as of this voice or of certain low-pitched instruments.
3. The notes in the lowest register of the piano, pipe organ, etc.
4. The lowest part in vocal or instrumental music.
5. One who sings or an instrument that plays such a part, especially a bass viol.
6. Such parts collectively.
—adjective
1. Low in pitch; having a low musical range.
2. Pertaining to, for, or able to play bass. ◆ Homophone: base. [<OF bas low; infl. in spelling by Ital. basso]

(bas) noun
1. The basswood.
2. Bast. [Alter. of BAST ]