|Origin:||mortier, from Latin mortarium|
a mixture of cement or lime, and sand and water, used in building for holding bricks or stones together
a heavy gun that fires bombs or shells in a high curve:
A cameraman was killed when his vehicle came under mortar fire.
a stone bowl in which substances are crushed with a pestle (=tool with a heavy round end):
You'll need a pestle and mortar to grind the spices.