a. [f. L. adunc-us ADUNC + -OUS.] Hooked, bent inward, incurved.
1656. Blount, Glossogr., Aduncous, crooked downwards, hooked.
1713. Derham, Physico-Theol., IV. xv. 257. They are characteristics of Rapacious birds, to have Aduncous Bills and Talons.
1869. Groom-Napier, Gloss. Bot. Terms, 521. Aduncous, crooked or hooked.