a weapon worn at a person’s side, such as a pistol or formerly a sword.
adjective
(of a throw, pitch, or cast) performed or delivered with a sweeping motion of the arm from the side of the body at or below shoulder level:a sidearm delivery [as adverb]:I could throw sidearm
verb
[with object] chiefly Baseball
throw or pitch a ball to (someone) with a sidearm motion:pitchers who sidearmed me on one pitch, then curved me with the next
throw or pitch (a ball or other object) with a sidearm motion:he sidearmed a small stone, which missed the bottle
Derivatives
sidearmer
noun
sidearm in other Oxford dictionaries
Definition of sidearm in the US English dictionary