nounWord forms: plural ˈspearˌfish or ˈspearˌfishes
1. any billfish; esp., any of a genus (Tetrapturus, family Istiophoridae) of large, percoid, food and game fishes of the open seas
2. to fish with a spear or spear-thrusting device (spear gun)
Webster’s New World College Dictionary, Fourth Edition, compiled by the
editors of Webster’s New World Dictionaries. Copyright © 2010 by Houghton
Mifflin Harcourt. Published by Houghton Mifflin Harcourt. All rights reserved.