—adj. 1. low in pitch; of the lowest pitch or range: a bass voice; a bass instrument. 2. of or pertaining to the lowest part in harmonic music.
—n. 1. the bass part.
2. a bass voice, singer, or instrument.
3. See double bass.
Pronunciation: (bas),[key] —n., —pl.(esp. collectively)bass,(esp. referring to two or more kinds or species)bass•es. 1. any of numerous edible, spiny-finned, freshwater or marine fishes of the families Serranidae and Centrarchidae.
2. (originally) the European perch, Perca fluviatilis.
Pronunciation: (bas),[key] —n. 1. the basswood or linden.
Pronunciation: (bas),[key] —n. Sam, 1851–78, U.S. outlaw: bank and train robber in the West.