A vessel in which substances are pounded with an implement called a pestle, chiefly used in making medicines.

(制药用之)研钵；臼。

A short cannon used for throwing shells high upward, so as to drop from above on to the object aimed at.

迫击炮。

A building cement of lime, sand, and water.

灰泥。

To plaster or secure with building cement.

涂以灰泥；以灰泥牢固；用灰泥接合。