[L. urtīca nettle (whence It. ortica, Sp. ortiga, Pg. urtiga):ūrĕre to burn.]
† 1. = SEA-NETTLE. Obs. rare.
a. 1682. Sir T. Browne, Norf. Fishes, Wks. 1835, IV. 333. Sea stars in great plenty, whether they be bred out of the urticas [printed urticus], squalders, or sea jellies, as many report, we cannot confirm.
1753. Chambers Cycl., Suppl. s.v., The Urtica is obliged to throw out the shell fish alive again.
2. A genus of apetalous plants, typical of the Nat. Order Urticaceæ, including the true nettles; also, a plant of this, a stinging-nettle.
The original stressing urti·ca (cf. quots. 176489) is retained in some modern dictionaries. Ash (1775), however, gives u·rtica, and this is usual in Dicts, from 1888.
1706. Phillips (ed. Kersey), Urtica, the Nettle, an Herb so calld because it raises Blisters.
1764. Grainger, Sugar Cane, II. 505. The fringd urtica spreads her purple form To catch the gale.
1789. E. Darwin, Bot. Gard., II. 103. Wide oer the madning throng Urtica flings Her barbed shafts.
1840. Penny Cycl., XVI. 163/1. The Nettle-trees having leaves resembling those of some kinds of Urtica.
1899. Allbutts Syst. Med., VIII. 489. Certain species of urtica or nettle.