Lewis Short
(adjective) : nĕgōtĭātōrĭus (nĕgōc-), a, um, id.
* Of or belonging to trade or tradespeople (post-class.): naves,trading vessels,Vop. Firm. 3: aurum,that tradespeople had to pay,Lampr. Alex. Sev. 32, 5.
Charlton T. Lewis, Charles Short, A Latin Dictionary