nounWord forms: plural ˈbillˌfish or ˈbillˌfishes
any of various fishes with long, narrow jaws that resemble a beak
, as many gars or swordfish
; esp., any of a family (Istiophoridae) of percoid
fishes, as the marlin
Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by
Houghton Mifflin Harcourt. All rights reserved.