impost

n. 拱基,台轮,税款
v. 决定关税,分类课税

My company impost general merchandise.

我公司经营杂货进口业务。

Either of the sides of an arch, curving down from the apex to an impost.

梁腋，拱腋拱门上任意一个从拱顶到拱墩间的部分