a. rare. [ad. L. anfractuōs-us winding, roundabout, f. anfract-us: see prec. and -OSE.] Winding, sinuous.
1691. Ray, Creation, II. (1701), 272. Behind this drum are several vaults and anfractuose [ed. 1704 anfractuous] cavities in the ear bone.
1830. Lindley, Nat. Syst. Bot., 35. Bombaceæ Anthers 1-celled, linear, reniform or anfractuose.