- a North American freshwater game fish, Micropterus dolomieu, yellowish-green above and lighter below, having the lower jaw extending to the eye.
Compare largemouth bass.
Origin of smallmouth bass
An Americanism dating back to 1880–85
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- a North American freshwater black bass, Micropterus dolomieu, that is a popular game fish