1. 1. (Bot.) Any rough or prickly envelope of the seeds of plants, whether a pericarp, a persistent calyx, or an involucre, as of the chestnut and burdoc...

2. Pertaining to dentistry or to dentists. [R.]

3. 1. A slight sharp noise, such as is made by the cocking of a pistol. 2. A kind of articulation used by the natives of Southern Africa, consisting in ...

4. 1. Of or pertaining to the teeth or to dentistry; as, _____ surgery. 2. (Phon.) Formed by the aid of the teeth; -- said of certain articulations and ...