Tropical and subtropical marine and freshwater fishes having an elongated body and long protruding lower jaw

Wikipedia Word definitions in Wikipedia
The halfbeaks ( family Hemiramphidae ) are a geographically widespread and numerically abundant family of epipelagic fish inhabiting warm waters around the world. The halfbeaks are named for their distinctive jaws, in which the lower jaws are significantly ...

Wiktionary Word definitions in Wiktionary
n. (context zoology English) Any slender, marine fish of the family ''(taxlink Hemiramphidae family noshow=1)'', having the upper jaw much shorter than the lower, the (vern: balahoo).

WordNet Word definitions in WordNet
n. tropical and subtropical marine and freshwater fishes having an elongated body and long protruding lower jaw

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Halfbeak \Half"beak`\ (h[aum]f"b[=e]k), n. (Zo["o]l.) Any slender, marine fish of the genus Hemirhamphus , or of the family Hemiramphidae , having an elongated protruding lower jaw; -- called also balahoo .