'Urtica' definitions:

Definition of 'Urtica'

From: WordNet
noun
A nettle yielding fiber resembling flax [syn: Urtica, genus Urtica]

Definition of 'Urtica'

From: GCIDE
  • Urtica \Ur*ti"ca\, n. [L., a nettle.] (Bot.) A genus of plants including the common nettles. See Nettle, n. [1913 Webster]