Lewis Short
urtīca (noun F) : uro.
* Lit.
* A nettle, stinging-nettle, Plin. 21, 15, 55, § 92; 22, 13, 15, § 31; Cat. 44, 15; Hor. Ep. 1, 12, 8; Pers. 6, 70 al.
* Trop., lustful desire, pruriency, Juv. 2, 128; 11, 166 (168).
Charlton T. Lewis, Charles Short, A Latin Dictionary