Thris'sa, n.

n. [Gr. θρίσσα, τριχίας, τριχίς, a kind of anchovy full of small hair-like bones, from θρίξ, τριχός, the hair.] (Ichth.) A fish of the shad and herring kind, whose flesh is considered as being sometimes poisonous. It is found in the waters of intertropical America, India, &c.