Trĭch'i-ū'rus, n.

noun

n. [N. Lat. from Gr. θρίξ, τριχός, a hair, and οὐρά, tail.] (Ichth.) A genus of acanthopterygious fishes, called also hair-tails, from the elongated, hair-like filament that terminates the tail.

An elongated, ribbon-shaped fish with a long pointed tail and prominent jaws.
Trichiurus.