1.a. Unarmed; destitute of prickles or thorns, as a leaf.
Medical Definition of Inermis
1. Unarmed; destitute of prickles or thorns, as a leaf.
Origin: L. Inermis, inermus; pref. In- not + arma arms: cf. F. Inerme.
Source: Websters Dictionary
(01 Mar 1998)