- (a.) Litmus.
- (a.) The euphorbiaceous plant Chrozophora tinctoria.
- (a.) The sunflower.
- (a.) A purple dye obtained from the plant turnsole. See def. 1 (d).
- (a.) A plant of the genus Heliotropium; heliotrope; -- so named because its flowers are supposed to turn toward the sun.
- (a.) A kind of spurge (Euphorbia Helioscopia).
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). turnsole. Retrieved September 20, 2026, from http://smartdefine.org/turnsole/definitions/2075633 |
| Chicago | Webster's. 2011. "turnsole" http://smartdefine.org/turnsole/definitions/2075633 (accessed September 20, 2026). |
| Harvard | Webster's 2011, turnsole, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/turnsole/definitions/2075633>. |
| MLA | Webster's. "turnsole" 28 May 2011. Web. 20 September 2026. <http://smartdefine.org/turnsole/definitions/2075633> |