Lewis & Short

tortūra, ae, f. [torqueo] (post-class.).

  1. I. A twisting, wreathing: sarmenti, Pall. Febr. 9, 8.
  2. II. Torment, torture: ventris, the gripes. colic. = tormina: tortura et extensio ventris dolorque, Veg. Vet. 1, 40 fin.; 2, 55.