What is the meaning of blue flag?

noun

  • A common iris of the eastern United States having blue or blue-violet flowers; root formerly used medicinally.
WordNet 3.0 © 2006 by Princeton University
9
 
|15 years ago|674 views|share |citing 
APAWordNet. (2010). blue flag. Retrieved September 20, 2026, from http://smartdefine.org/blue_flag/definitions/1239210
ChicagoWordNet. 2010. "blue flag" http://smartdefine.org/blue_flag/definitions/1239210 (accessed September 20, 2026).
HarvardWordNet 2010, blue flag, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/blue_flag/definitions/1239210>.
MLAWordNet. "blue flag" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/blue_flag/definitions/1239210>