blue flag

noun

any North American plant of the genus Iris, especially I. versicolor : the state flower of Tennessee.

Blue Flag

an award given to a seaside resort that meets EU standards of cleanliness of beaches and purity of water in bathing areas

An Americanism dating back to 1775–85

Don't you see him right behind that little man in yellow who is carrying a big blue flag?

And now to-day, of all days, this blue flag comes out of hiding and goes flaunting along the floor!

“Three cheers for the bonnie Blue Flag,” called a voice and with a shout the soldiers responded.

A shallow circular cavity in the large blue flag of the hearth was the resting place of Velours.

The men shout, as a blue flag with a crescent, the colors of South Carolina, is flung to the breeze.

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