Lewis Short
pessŭlus (noun M) : (
* Neutr. collat. form in plur. pessula, Paul. Nol. Carm. 18, 412) [πάσσαλος], a bolt (ante- and post-class.): occlude sis fores ambobus pessulis,Plaut. Aul. 1, 2, 25: pessuli, heus pessuli, vos saluto,id. Curc. 1, 2, 60: pessulum ostio obdo,shoot the bolt, lock the door,Ter. Eun. 3, 5, 55: foribus,id. Heaut. 2, 3, 37: pessulos inicere,to shoot the bolts,App. M. 3, p. 135, 39; 1, p. 107, 12; p. 108, 24: aperire: pessulum ostii mei aperui dilecto meo,Vulg. Cant. 5, 6.
Charlton T. Lewis, Charles Short, A Latin Dictionary