Lewis & Short

sacco, no perf., ātum, 1, v. a. [saccus], to strain through a bag, to strain, filter.

  1. I. Lit.: saccata aqua (opp. turbida), Sen. Ep. 86, 11; Plin. 18, 7, 17, § 77; 29, 2, 10, § 35; 33, 6, 34, § 104 al.: Caecuba, to filter, Mart. 2, 40, 5.
  2. II. Transf., of urine: saccatus umor corporis, Lucr. 4, 1028; Ser. Samm. 6, 77.