black bass Definition

any of a genus (Micropterus) of freshwater sunfishes native to eastern and central North America and including the largemouth bass and smallmouth bass

a large North American black bass (Micropterus salmoides) that is blackish green above and lighter below and has the maxillary bones of the upper jaw extending to behind the eyes —called also largemouth, largemouth black bass

a black bass (Micropterus dolomieu) of clear rivers and lakes that is bronzy-green above and lighter below and has the vertex of the angle of the jaw falling below the eye —called also smallmouth, smallmouth black bass