beak. 1

The bill, or nib, of a bird, also any analogous structure in an animal. 2. Any pointed end resembling a bird's. 3. The tube or spout of a retort or other similar ve el. b. of the calamus script or i us. Its lower extremity, or reentrant angle, b. of the corpus callosum, b. of the encephalon. The splenium, or posterior end, of the corpus callosum. b. of the sphenoid bone. See rostrum sphenoid ale, coracoid b. The b. of the coracoid proce of the scapula. [Old Eng., becke.1