OCCISION Oc*ci"sion, n. Etym: [L.occisio, fr. occidere, occisium, to cut down, to kill; ob (see Ob-) + caedere to cut.]

Defn: A killing; the act of killing. [Obs.] Sir M. Hale.

OCCLUDE Oc*clude", v. t. Etym: [L. occludere, occlusum; ob (see Ob-) + claudere to shut.]

1. To shut up; to close. Sir T. Browne.

2. (Chem.)

Defn: To take in and retain; to absorb; — said especially with respect to gases; as iron, platinum, and palladium occlude large volumes of hydrogen.

OCCLUDENT
Oc*clud"ent, a. Etym: [L.occludens, p.pr. of occludere.]

Defn: Serving to close; shutting up.
— n.

Defn: That which closes or shuts up. Sterne.

OCCLUSE
Oc*cluse", a. Etym: [L. occlusus, p.p. See Occlude.]