A Mediterranean plant of the spurge family, whose flowers are said to turn with the sun.
- Chrozophora tinctoria (family Euphorbiaceae), from which a blue or purple dye was formerly obtained
More example sentences
- The following is a construction guide for anyone who wishes to make a pair of authentic turnsoles.
late Middle English: from Old French tournesole, based on Latin tornare (see turn) + sol 'sun'.
Definition of turnsole in:
- The US English dictionary