Lewis & Short

sūdātōrĭus, a, um, adj. [sudo], belonging to or serving for sweating, sudatory.

  1. I. Adj.: unctiones, Plaut. Stich. 1, 3, 73: qualitas, Cassiod. Var. 2, 39 med.
  2. II. Subst.: sūdātōrĭum, ii, n., a sweatingbath, sweating-room, a sudatory: circa balinea ac sudatoria, Sen. Vit. Beat. 7, 2; id. Ep. 51, 6.