Having teeth; furnished with teeth.Jagged; notched; dentate; serrate.Specifically— Thorny.In botany, having a series of regular or irregular projecting points about the margin; dentate: as, a toothed leaf, calyx, etc.; having tooth-like projections, as the roots of Dentaria.In ornithology, having a tooth-like projection of the cutting edge of the bill, as a falcon's beak; dentirostral. See cuts under dentirostral and Thamnophilinæ.In conchology, having a tooth-like projection, or such projections, about the margin of a bivalve, or the aperture of a univalve, as a unio or a helix. See tooth, n., 3 , and cuts under bivalve, Monoceros, and Monodonta.In anatomy, odontoid or dentate: noting the axis, or second cervical vertebra. See axis, 3 .In entomology, having one or more sharp tooth-like processes: as, a toothed margin or mandible.