Occlude \Oc*clude"\, v. t. [L. occludere, occlusum; ob (see {Ob-}) + claudere to shut.] 1. To shut up; to close. --Sir T. Browne.
2. (Chem.) To take in and retain; to absorb; -- said especially with respect to gases; as, iron, platinum, and palladium occlude large volumes of hydrogen.