- any of a number of plants whose flowers supposedly turn with the sun, as the sunflower and heliotrope
- a Mediterranean plant (Chrozophora tinctoria) of the spurge family, yielding a purple or blue dye
- this dye
Origin of turnsoleMiddle English turnesole ; from Middle French tournesol ; from Italian tornasole or Spanish tornasol ; from tornar(e), to turn + sol(e), sun: see Sol
- Any of various plants that move or are believed to move in response to the sun, especially the Mediterranean species Chrozophora tinctoria.
- See heliotrope.
Origin of turnsoleMiddle English turnesole, dye made from C. tinctoria, from Old French tournesol, from Old Italian tornasole : tornare, to turn (from Latin tornare; see turn) + sole, sun (from Latin s&omacron;l; see sawel- in Indo-European roots).
(countable and uncountable, plural turnsoles)
- The heliotrope; so named because its flowers are supposed to turn toward the sun.
- The sunflower.
- A kind of spurge (Euphorbia helioscopia).
- The euphorbiaceous plant Chrozophora tinctoria.
- A purple dye obtained from Chrozophora tinctoria.
Part or all of this entry has been imported from the 1913 edition of Webster's Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.