Serricorn \Ser"ri*corn\, a. [L. serra saw + cornu horn.] (Zo["o]l.) Having serrated antenn?. Serricorn \Ser"ri*corn\, n. (Zo["o]l.) Any one of a numerous tribe of beetles ({Serricornia}). The joints of the antenn[ae] are prominent, thus producing a serrate appearance. See Illust. under {Antenna}.