Lewis Short
(adjective) : pōcŭlentus (poscŭl-, pōtŭl-), a, um, id.
* Drinkable, potable: penus est quod esculentum aut poculentum est, etc., Q. Scaevola ap. Gell. 4, 1, 17.
* Of vessels, fit for use in drinking: a poculento argento vascularius,Inscr. Grut. 643, 3.
Charlton T. Lewis, Charles Short, A Latin Dictionary