Lewis & Short

pōcŭlentus (poscŭl-, pōtŭl-), a, um, adj. [poculum],

  1. I. drinkable, potable: penus est quod esculentum aut poculentum est, etc., Q. Scaevola ap. Gell. 4, 1, 17.
  2. II. Of vessels, fit for use in drinking: a poculento argento vascularius, Inscr. Grut. 643, 3.