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.) (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. [ 1913 Webster ]