Lewis & Short

calpar, aris, n. [κάλπη = κάλπις],

  1. I. a vessel for liquids, esp. for wine, a winecask, wine-pitcher, Non. p. 546, 32 sq.: calpar genus vasis fictilis, Paul. ex Fest. p. 46 Müll.
  2. II. Calpar = vinum novum, quod ex dolio demitur sacrificii causā, antequam gustetur, Paul. ex Fest. p. 65 Müll.