‖n. [ NL., fr. L. torquere, tortum, to twist. ] 1. (Zool.) Any one of numerous species of small moths of the family Tortricidae, the larvae of which usually roll up the leaves of plants on which they live; -- also called leaf roller. [ 1913 Webster ]

2. (Zool.) A genus of tropical short-tailed snakes, which are not venomous. One species (Tortrix scytalae) is handsomely banded with black, and is sometimes worn alive by the natives of Brazil for a necklace. [ 1913 Webster ]