corbel

詳細解釋：

cor.bel

n.（名詞）
A bracket of stone, wood, brick, or other building material, projecting from the face of a wall and generally used to support a cornice or an arch.
托臂，翅托：從牆面上凸出，常用於支撐檐口或拱形物的一種石、木、磚或其他建築材料製成的建築部件
v.tr.（及物動詞）
cor.beled 也作 cor.belled cor.bel.ing cor.bel.ling cor.bels cor.bels
To provide with or support by a corbel or corbels.
提供托臂或用托臂支撐

來源：
Middle English
中古英文
from Old French [diminutive of] corp [raven (from the similarity of its shape to that of a raven`s beak)]
源自 古法文 [] corp的小後綴 [渡鴉（因其形狀與渡鴉的喙類似）]
from Latin corvus
源自 拉丁語 corvus