Lewis & Short

ēlūtrĭo, no perf., ātum, 1, v. a. [eluo], to wash out.

  1. I. Lit.: lintea, Laber. ap. Gell. 16, 7, 5: vellus, Plin. 9, 38, 62, § 133.
  2. * II. Transf., to decant, rack off, Plin. 14, 17, 21, § 114.