Lewis Short
(adj.adj.) : Pătulcĭus, a, um, adj.pateo, standing open.
* A surname of Janus, because in time of war his temple stood open (opp. Clusius, q. v.), Ov. F. 1, 129; cf. Macr. S. 1, 129. This epithet was also applied to Jupiter and Juno, Inscr. Spon. Miscell. Ant. p. 81.
* A Roman quoestor, a debtor of Cicero; hence, Pătulcĭānus, a, um, adj., of Patulcius: nomen Patulcianum,the debt of Patulcius,Cic. Att. 14, 18, 2.
Charlton T. Lewis, Charles Short, A Latin Dictionary