a. [ NL. Scopelus, typical genus (fr. Gr. &unr_; a headland) + -oid. ] (Zool.) Like or pertaining to fishes of the genus Scopelus, or family Scopelodae, which includes many small oceanic fishes, most of which are phosphorescent. -- n. (Zool.) Any fish of the family Scopelidae. [ 1913 Webster ]