mortar mortar /ˈmɔrtɝ/

noun

1. () A muzzle-loading high-angle gun with a short barrel that fires shells at high elevations for a short range  ( howitzer , trench mortar , mortar )
   a muzzle-loading high-angle gun with a short barrel that fires shells at high elevations for a short range
    The soldiers loaded the mortar, preparing for the oncoming assault.
   The soldiers loaded the mortar, preparing for the oncoming assault.
   
   
2. () Used as a bond in masonry or for covering a wall  ( mortar )
   used as a bond in masonry or for covering a wall
    The bricklayer is mixing the mortar to use in the wall construction
   The bricklayer is mixing the mortar to use in the wall construction
   
   
3. A bowl-shaped vessel in which substances can be ground and mixed with a pestle  ( mortar )
   a bowl-shaped vessel in which substances can be ground and mixed with a pestle
    A mortar is a useful tool for grinding herbs and spices
   A mortar is a useful tool for grinding herbs and spices
   
   

verb

1. () (masonry) plaster with mortar  ( mortar )
   (masonry) plaster with mortar
    Mortar the wall
   mortar the wall