Lewis Short
vernātĭo (noun F) : verno
* The sloughing or shedding of the skin of snakes.
* Lit., Plin. 29, 5, 32, § 101; 30, 3 8, § 24.
* Transf., concr., the slough cast off by a snake, Plin. 29, 6, 35, § 11.
Charlton T. Lewis, Charles Short, A Latin Dictionary