Dentate \Den"tate\, Dentated \Den"ta*ted\, 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.

2. (Zo["o]l.) Having teeth or toothlike points. See Illust. of Antenn[ae].

Source: Webster's Revised Unabridged Dictionary (1913)