Lewis & Short

pressōrĭus, a, um, adj. [premo].

  1. I. That serves for pressing grapes, olives, etc. (postAug.): pressoria vasa, Col. 12, 18.
  2. II. Subst.: pressōrĭum, ii, n., a press, Amm. 28, 4, 19: exprimere in pressorio, Plin. Val. 2, 17.