- A masonry support consisting usually of a pier or buttress standing apart from the main structure and connected to it by an arch along which the thrust, as from the vaulting, is borne. Also called arc-boutant 拱扶垛：一种硅石砌体构筑物，通常由桥墩或偏离主要结构并通过拱门与其相连的拱壁组成，沿着拱门可从拱形圆顶产生推力 也作 arc-boutant
- clops
- cloque
- cloques
- close
- close
- close call
- close corporation
- closed
- closed
- closed book
- closed-captioned
- closed chain
- closed circuit
- closed corporation
- closed couplet
- closed-door
- closed-end
- closed-end investment company
- closed interval
- closed loop
- closed-minded
- closedown
- closedowns
- closed shop
- closed universe