mortar Definition

mortar
noun

1. building.
A mixture of sand, water and cement or lime, used to bond bricks or stones.
2. The small heavy dish in which substances are ground with a pestle.
3. A type of short-barrelled artillery gun for firing shells over short distances.

verb mortared, mortaring

1. To fix something (especially bricks) in place with mortar.
2. To plaster (eg a wall) with mortar.
3. To bombard (a place or target, etc) using a mortar.

Etymology: 13c: from French mortier, from Latin mortarium.