(n): a part of an animal that has a special function or is supplied by a given artery or nerve
(n): a curved edge formed by two intersecting vaults
(n): a sharp side formed by the intersection of two surfaces of an object
(n): a protective structure of stone or concrete; extends from shore into the water to prevent a beach from washing away
(n): a structure or object that impedes free movement
(v): build with groins
(v): make by combining materials and parts
