Dentate \Den"tate\ (d[e^]n"t[asl]t), Dentated \Den"ta*ted\ (d[e^]n"t[asl]*t[e^]d), a. [L. dentatus, fr. dens, dentis, tooth.] 1. (Bot.) Toothed; especially, with the teeth projecting straight out, not pointed either forward or backward; as, a dentate leaf. [1913 Webster] 2. (Zool.) Having teeth or toothlike points. See Illust. of {Antenn[ae]}. [1913 Webster]