Armed robbery. An aggravated form of robbery in which the defendant is armed with a dangerous weapon, though it is not necessary to prove that he used the weapon to effectuate the robbery. The taking of property from person or presence of another by use of force or by threatening use of force while armed with a dangerous weapon. People v. Redding, 43 Ill.App. 1024, 2 Ill.Dec. 784, 357 N.E.2d 1227, 1230.

Armed. Furnished or equipped with weapons of offense or defense. People ex rel. Griffin v. Hunt, 150 Misc. 163, 270 N.Y.S. 248, 254.

SOURCE: Black's Law Dictionary, Sixth Edition

See also Robbery defined and punishment.