Lewis Short
mulctrārĭum | mulc-trāle, is (noun N) : (coll. form, , , Serv. Verg. E. 3, 30), mulgeo
* A milking-pail: nivea implebunt mulctraria vaccae,Verg. G. 3, 177 Wagn. N. cr. (Rib. mulctraria; al. multraria, al. mulgaria).
Charlton T. Lewis, Charles Short, A Latin Dictionary