Defn: The shoulder blade, or scapula.

OMOSTEGITE
O*mos"te*gite, n. Etym: [Omo- + Gr. (Zoöl.)

Defn: The part of the carapace of a crustacean situated behind the cervical groove.

OMOSTERNAL
O`mo*ster"nal, a. (Anat.)

Defn: Of or pertaining to the omosternum.

OMOSTERNUM O`mo*ster"num, n. Etym: [Omo- + sternum.] (Anat.) (a) The anterior element of the sternum which projects forward from between the clavicles in many batrachians and is usually tipped with cartilage. (b) In many mammals, an interarticular cartilage, or bone, between the sternum and the clavicle.

OMPHACINE
Om"pha*cine, a. Etym: [Gr. omphacin.]

Defn: Of, pertaining to, or expressed from, unripe fruit; as, omphacine oil.

OMPHALIC
Om*phal"ic, a. Etym: [Gr. Navel.] (Anat.)

Defn: Of or pertaining to the umbilicus, or navel.