According to the Merriam-Webster definition, a mortar is a portable muzzle-loading weapon with a short tube for its caliber, used for dropping bombs at high angles. Used since the Middle Ages, mortars are made in different sizes, from large and heavy mortars to infantry mortars that can be carried by a single soldier. Attacks using mortars are mortar attacks.
Source: Merriam-Webster
© 2019 All Rights Reserved