\Tor"men*til\, n. [F. tormentille; cf. Pr., It., & NL.
tormentilla, Sp. tormentila; all fr. L. tormentum pain. So
called because it is said to allay pain. See {Torment}.]
(Bot.)
A rosaceous herb ({Potentilla Tormentilla}), the root of
which is used as a powerful astringent, and for alleviating
gripes, or tormina, in diarrhea.