Definition of: occlude

(ə·kld′) v. ·clud·ed, ·clud·ing v.t.
1. To shut up or close, as pores or openings.
2. To shut in, out, or off.
3. Chem. To take up, either on the surface or internally, but without change of properties: Palladium occludes hydrogen.
—v.i.
4. Dent. To meet so that the corresponding cusps fit closely together: said of the teeth of the upper and lower jaws. [<L occludere shut <ob- against, upon + claudere close]
—oc·clu′dent adjective
—oc·clu·sion (ə·kl′zhən) noun
—oc·clu′sive (-siv) adjective