One who commits assault.

plural of assaulter

Capable of being assaulted.

plural of assaultive

plural of assault weapon

(law, idiomatic) The combination of two violent crimes: assault (the threat of violence) and battery (physical violence). This legal distinction exists only in jurisdictions that distinguish assault as threatened violence rather than actual violence.

A military select-fire rifle or carbine that fires a shortened rifle caliber round or lower-power smaller-calibre round, from a high-capacity magazine.

(US) Any select-fire firearm that allows semi-automatic and fully automatic operation, and is used or was once used by a military organization.

Often used other than figuratively or idiomatically: an assault that is verbal. / (US, law) Oral or written speech that creates, or is intended to create, a fear of physical harm.

(slang) an assault operation, performed in a confined tube-like space (mostly inside vehicles, like trains, airliners, buses, coaches etc.), usually for rescuing of hostages.