pinfish

[pin-fish]
noun, plural pin·fish·es, (especially collectively) pin·fish.
  1. a small fish, Lagodon rhomboides, of the porgy family, inhabiting bays of the South Atlantic and Gulf coasts of the U.S.

Origin of pinfish

An Americanism dating back to 1875–80; pin + fish
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for pinfish

pinfish

noun plural -fish or -fishes
  1. a small porgy, Lagodon rhomboides, occurring off the SE North American coast of the AtlanticAlso called: sailor's choice

Word Origin for pinfish

so named because it has spines
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