coetanean

. [Lat, coætane us of the same age; from co con, and ætas =age.] A. As adj.: Of the same age; coetaneous. "For these began At once, and were all coetanean." Marmion: Cupid and Psyche. (Nares.) B. As subst.: A person of the same age with another; a contemporary. coetanean of the late earle of Southampton." Aubrey: Anecdotes of Sir W. Raleigh, ii. 516.