‖n. [ Sp. alcana, alhe&unr_;a, fr. Ar. al-hinnā. See Henna, and cf. Alkanet. ] (Bot.) An oriental shrub (Lawsonia inermis) from which henna is obtained. [ 1913 Webster ]
a. (Anal.) Pertaining to the calcaneum;
‖pos>n.;
n. [ L. chalcanthum a solution of blue vitriol, Gr. &unr_;. ] (Min.) Native blue vitriol. See
n.