Occiput \Oc"ci*put\, n.; pl. L. {Occipita}, E. {Occiputs}. [L., fr. ob (see {Ob-}) + caput head. See {Chief}.] 1. (Anat.) The back, or posterior, part of the head or skull; the region of the occipital bone. 2. (Zo["o]l.) A plate which forms the back part of the head of insects.