turnsole

[ turn-sohl ]
/ ˈtɜrnˌsoʊl /

noun

any of several plants regarded as turning with the movement of the sun.
a European plant, Chrozophora tinctoria, of the spurge family, yielding a purple dye.
the purple dye prepared from this plant; litmus.

Origin of turnsole

1325–75; Middle English turnesole < Middle French tournesol the dye < Italian tornasole the plant, literally, (it) turns (toward the) sun, on the model of Greek hēliotrópion heliotrope

Example sentences from the Web for turnsole

British Dictionary definitions for turnsole

turnsole
/ (ˈtɜːnˌsəʊl) /

noun

any of various plants having flowers that are said to turn towards the sun
a euphorbiaceous plant, Croton tinctoria, of the Mediterranean region that yields a purple dye
the dye extracted from this plant

Word Origin for turnsole

C14: from Old French tournesole, from Old Italian tornasole, from tornare to turn + sole sun, from Latin sōl sun