Lewis & Short

rĕgĕlo, āvi, ātum, 1, v. a., qs. to unfreeze, i. e. to thaw, warm (post-Aug.).

  1. I. Lit.: solum aedificii, Col. 1, 5, 8; Mart. 3, 93, 17: sucina regelata manu, id. 11, 8, 6: vites regelatae siccantur, Col. 11, 2, 7 Schneid. N. cr.: Riphaeae torpentia frigore brumae, Col. poët. 10, 78.
    1. * B. Trop.: jam aetas mea contenta est suo frigore: vix mediā regelatur aestate, Sen. Ep. 67, 1.
  2. II. To air, cool off: granaria, Varr. R. R. 1, 57, 3.