obs. imp. of Mote. Chaucer. [ 1913 Webster ]
n. [ Omo- + Gr. &unr_; a roof. ] (Zool.) The part of the carapace of a crustacean situated behind the cervical groove. [ 1913 Webster ]
a. (Anat.) Of or pertaining to the omosternum. [ 1913 Webster ]
n. [ Omo- + sternum. ] (Anat.)