[uni.lat.er.al] adj (1802) 1 a: done or undertaken by one person or party b: of, relating to, or affecting one side of a subject: one-sided c: constituting or relating to a contract or engagement by which an express obligation to do or forbear is imposed on only one party
2. a: having parts arranged on one side "a ~ raceme" b: occurring on, performed on, or affecting one side of the body or one of its parts "~ exophthalmos"
3: unilineal
4: having only one side -- uni.lat.er.al.ly adv