blue flag
noun Date: 1784 a blue-flowered iris; especially a common iris (Iris versicolor) chiefly of the eastern United States with a root formerly used medicinally

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • Blue flag — or Blue Flag may refer to:*Blue Flag beach, a beach or marina that meets certain quality standards *Larger Blue Flag or Iris versicolor , a type of Iris *Slender Blue Flag or Iris prismatica , a type of Iris *Blue flag, a particular racing flag… …   Wikipedia

  • blue flag — flag n 1) either of two common blue flowered irises (Iris versicolor and I. virginica) of the eastern and central U.S. with rhizomes formerly used medicinally as a cathartic and emetic 2) the dried rhizome of a blue flag called also blue flag… …   Medical dictionary

  • blue flag — blue′ flag n. pln any of several North American irises having blue flowers • Etymology: 1775–85, amer …   From formal English to slang

  • blue flag — ☆ blue flag n. any of several species of iris with blue flowers …   English World dictionary

  • blue flag — The blue or passing flag has different meanings depending on how it is held and whether it is used during practice, qualifying or racing. Generally when it is held motionless it is an indication to a driver that there is a faster car following… …   Dictionary of automotive terms

  • blue flag — virgininis vilkdalgis statusas T sritis vardynas apibrėžtis Vilkdalginių šeimos dekoratyvinis, vaistinis augalas (Iris virginica), paplitęs Šiaurės Amerikoje. atitikmenys: lot. Iris virginica angl. blue flag; southern blue flag pranc. iris de… …   Lithuanian dictionary (lietuvių žodynas)

  • blue flag — įvairiaspalvis vilkdalgis statusas T sritis vardynas apibrėžtis Vilkdalginių šeimos dekoratyvinis, vaistinis nuodingas augalas (Iris versicolor), paplitęs Šiaurės Amerikoje. atitikmenys: lot. Iris versicolor angl. blue flag; varied color iris;… …   Lithuanian dictionary (lietuvių žodynas)

  • blue flag — noun 1》 a European award for beaches based on cleanliness and safety. 2》 Motor Racing a blue flag used to indicate to a driver that there is another driver trying to lap him …   English new terms dictionary

  • blue flag — mėlynžiedis vilkdalgis statusas T sritis vardynas atitikmenys: lot. Iris × germanica angl. blue flag; German iris vok. blaue Schwertlilie; deutsche Schwertlilie rus. касатик германский lenk. irys niemiecki; kosaciec niemiecki …   Dekoratyvinių augalų vardynas

  • blue flag — noun a common iris of the eastern United States having blue or blue violet flowers; root formerly used medicinally • Syn: ↑Iris versicolor • Hypernyms: ↑iris, ↑flag, ↑fleur de lis, ↑sword lily …   Useful english dictionary

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