1.n. An oriental shrub (Lawsonia inermis) from which henna is obtained.
Medical Definition of Alcanna
1. An oriental shrub (Lawsonia inermis) from which henna is obtained.
Origin: Sp. Alcana, alhea, fr. Ar. Al-hinna. See Henna, and cf. Alkanet.
Source: Websters Dictionary
(01 Mar 1998)