v. i. [ L. fornicatus, p. p. of fornicari to fornicate, fr. fornix, -icis, a vault, a brothel in an underground vault. ] To commit fornication; to have unlawful sexual intercourse. [ 1913 Webster ]
{ , a. [ L. fornicatus, fr. fornix, -icis, an arch, vault. ] 1. Vaulted like an oven or furnace; arched. [ 1913 Webster ]
2. (Bot.) Arching over; overarched. Gray. [ 1913 Webster ]