Scopeloid \Sco"pe*loid\, a. [NL. Scopelus, typical genus (fr. Gr. ? 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]