ricinus, i, m. A large kind of vermin that infests sheep, dogs, etc., a tick, tike, Cato, R. R. 96, 2; Varr. R. R. 2, 9, 14; Col. 7, 13, 1; 6, 2, 6; Plin. 22, 18, 21, § 47; Petr. 57; Ser. Samm. 36, 699.

— A plant, called also cici and croton, Plin. 15, 7, 7, § 25.

— The germ of the mulberry: ricino Graeci vocant, Plin. 23, 7, 71, § 137.