define arytenoid
Wiktionary(0.00 / 0 votes)Rate this definition: 1  arytenoid(Noun) Either of a pair of movable cartilages in the larynx that serve as posterior attachment points for the vocal folds; a muscle attached to this cartilage, or a gland located near it. 2  arytenoid(Adjective) Of, or relating to this cartilage, muscle or gland.