Lewis Short
versōrĭa | vors- (noun F) : (), , verto
* A rope that guides a sail, a sheet (Plautin.); hence, trop.: versoriam capere, to turn the sail, i. e. tack: cape vorsoriam, Recipe te ad erum,about ship!Plaut. Trin. 4, 3, 19: cape modo vorsoriam,id. Merc. 5, 2, 34.
Charlton T. Lewis, Charles Short, A Latin Dictionary