Pier

(pēr.) [From Fr. pier ve, stone.] (Geol.) A very strong stone wall, or ma of solid stone-work, running into the water, to resist the force of the sea, and to withstand the dashing of waves. The term is also applied to the constructions used to support the arches of abridge or the quay of a wharf, and to that part of the wall of a house which is between windows. [s. 710]