ˈtȯ(r)mənˌtil noun
( -s )
Etymology: Middle English turmentill, from Medieval Latin tormentilla, from Latin tormentum torment; from its use in allaying pain
: a yellow-flowered Eurasian herb ( Potentilla tormentilla ) with a root that contains an astringent and is used sometimes in tanning and dyeing ; broadly : any of various plants of the genus Potentilla