Voussoir

[vu:swɑ:]

解释:

(noun.) wedge-shaped stone building block used in constructing an arch or vault.

整理:伊冯--From WordNet

解释:

(n.) One of the wedgelike stones of which an arch is composed.

埃迪校对

同义词及近义词：

n. [Fr.] Arch-stone.

手打:凯西

解释:

n. one of the wedge-like stones which form part of an arch.—v.t. to form with such.

整理:塞丽娜