largemouth bass

or large-mouth bass

[ lahrj-mouth bas ]
/ ˈlɑrdʒˌmaʊθ ˈbæs /

noun

a North American freshwater game fish, Micropterus salmoides, having an upper jaw extending behind the eye and a broad, dark, irregular stripe along each side of the body.Compare smallmouth bass.

Origin of largemouth bass

An Americanism dating back to 1875–80; large + mouth
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for largemouth bass

largemouth bass

/ (ˈlɑːdʒˌmaʊθ ˈbæs) /

noun

a common North American freshwater black bass, Micropterus salmoides: a popular game fish
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012