solid unweathered rock lying beneath surface deposits of soil
2
A surgical instrument consisting of a slender knife, either straight or curved, generally used by introducing it beneath the part to be divided, and cutting towards the surface.
3
discolored by coagulation of blood beneath the skin
4
A group of decapod Crustacea, including the common crabs, characterized by a small and short abdomen, which is bent up beneath the large cephalo-thorax
5
situated above the medulla oblongata and beneath the cerebrum in humans
