Bass n.; pl. Bass, and sometimes Basses   Zool.
 1. An edible, spiny-finned fish, esp. of the genera Roccus, Labrax, and related genera. There are many species.
 Note: ☞ The common European bass is Labrax lupus. American species are: the striped bass (Roccus lineatus); white or silver bass of the lakes (Roccus chrysops); brass or yellow bass (Roccus interruptus).
 2. The two American fresh-water species of black bass (genus Micropterus). See Black bass.
 3. Species of Serranus, the sea bass and rock bass. See Sea bass.
 4. The southern, red, or channel bass (Sciæna ocellata). See Redfish.
 Note: ☞ The name is also applied to many other fishes. See Calico bass, under Calico.