turnsole

noun

turn·​sole
ˈtərnˌsōl
plural -s
1
: any of several plants whose flowers or stems are supposed to follow the movement of the sun:
b
d
: a double-flowered tulip (Tulipa suaveolens) of southern Russia
2
: a European annual herb (Chrozophora tinctoria) of the family Euphorbiaceae the juice of which is turned blue by ammonia
3
a
: a purple dye obtained from the turnsole (see turnsole sense 2)
b
: litmus

Word History

Etymology

Middle English turnesole, from Middle French tournesol, from Old Italian tornasole, from tornare to turn (from Medieval Latin) + sole sun, from Latin sol (accusative solem)

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Dictionary Entries Near turnsole

Cite this Entry

“Turnsole.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/turnsole. Accessed 14 Jun. 2024.

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