臼砲

(1)used as a bond in masonry or for covering a wall

(2)石造建築または壁塗りに使われる

(3)a muzzle-loading high-angle gun with a short barrel that fires shells at high elevations for a short range

(4)近いところへ高く砲弾を打ち上げる銃身の短い先込め砲

(5)a bowl-shaped vessel in which substances can be ground and mixed with a pestle

(6)すりこぎを使ってものをすりつぶすボウル形の容器