noun, plural (especially collectively) la·dy·fish, (especially referring to two or more kinds or species) la·dy·fish·es.
  1. a game fish, Elops saurus, of warm seas, closely related to but smaller than the tarpon.

Origin of ladyfish

First recorded in 1705–15; lady + fish
Also called tenpounder, bonefish. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for ladyfish

Historical Examples of ladyfish