Lewis Short
(adjective) : pōtĭlis, e, poto
* That pertains to drinking, drinking- (ante- and post-class.): potilis nidus, a drinking-vessel, Varr. ap. Non. 145, 4: raptus,a drawing in when drinking, sipping,Cael. Aur. Tard. 5, 10, 119: aërem recipere atque reddere haustu potili,id. ib. 3, 8, 123.
Charlton T. Lewis, Charles Short, A Latin Dictionary