SAWFISH
sawfish
(noun) primitive ray with sharp teeth on each edge of a long flattened snout
Source: WordNet® 3.1
Etymology
Noun
sawfish (plural sawfishes or sawfish)
Any ray (marine fish with a flat body and wing-like fins) of the family Pristidae, having a snout that resembles a saw.
Source: Wiktionary
Saw"fish`, n. (Zoƶl.)
Definition: Any one of several species of elasmobranch fishes of the genus
Pristis. They have a sharklike form, but are more nearly allied to
the rays. The flattened and much elongated snout has a row of stout
toothlike structures inserted along each edge, forming a sawlike
organ with which it mutilates or kills its prey.
Source: Webster’s Unabridged Dictionary 1913 Edition