passguard noun2 •A ridge or an additional plate on a shoulder piece, to turn the blow of a weapon away from the neck or joint of the armor.-Cuirass rounded and projecting — 1846 •(historical) An L-shaped piece of armor worn over one arm (typically the left arm), which generally kept it in a bent position and protected it during jousts.[…] fastened to it by a clasp at the back and a linch pin in front; the passguard, or elbow-piece; and the bridle-gauntlet. — 1902 formspassguards