coping

n (architecture 建) top row of bricks or masonry, usu sloping, on a wall （墙上端的）压顶, 盖顶.

coop, cooper, cooperate, cooperation, cooperative, coordinate, coordination, coordinator, coorperation, coot, cop, cop-out, copain, copartner, copartnership, cope, cope with, copeck (also kopeck), Copernican, copier, coping-stone, copious, copiously, copper, copper beech, copper-bottomed, copperhead, copperplate, coppice, copra, copse, Copt, Coptic, copula, copulate, copulation, copulative, copy, copy desk, copy-book,