mortar meaning and definition

MORTAR noun

Definition of mortar (noun)

1. a muzzle-loading high-angle gun with a short barrel that fires shells at high elevations for a short range
   • synonyms: howitzer, trench mortar
2. used as a bond in masonry or for covering a wall
3. a bowl-shaped vessel in which substances can be ground and mixed with a pestle

MORTAR verb

Definition of mortar (verb)

1. plaster with mortar
   • "mortar the wall"