noun, masculine/moɾˈteɾo/plural: morteros
mortar (a relatively lightweight, often portable indirect fire weapon which transmits recoil to a base plate and is designed to lob explosive shells at very steep trajectories); mortar, mortar and pestle, pestle and mortar (a hollow vessel used to pound, crush, rub, grind or mix ingredients with a pestle); mortar (a mixture of lime or cement, sand and water used for bonding building blocks)
Inherited from Latin mortārium. Cognate with English mortar.