pessulus

pessulus ī, m

, πάσσαλος, a bolt: pessulum ostio obdo, bolt the door, T.

pessulus
pessŭlus, i, m. (neutr. collat. form in plur. pessula, Paul. Nol. Carm. 18, 412) [πάσσαλος], a bolt ...

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.
Pessulus
·noun A delicate bar of cartilage connecting the dorsal and ventral extremities of the first pair of...

Webster's Dictionary of the English Language