Lewis Short
(adjective) : Bolbitīnus, a, um
* Of or belonging to the city of Bolbitine, now Rosetta, in Lower Egypt: ostium,the Rosetta mouth of the Nile,Plin. 5, 10, 11, § 64.—Later collat. form Bolbitĭcus, a, um: ostium,Mel. 1, 9, 9; Amm. 22, 15, 10.
Charlton T. Lewis, Charles Short, A Latin Dictionary