a composite plant, Centaurea cyanus, having narrow leaves and blue flower heads.
Australian. Portuguese man-of-war.

Origin of bluebottle

First recorded in 1545–55; blue + bottle1 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for bluebottle

Historical Examples of bluebottle

  • A bluebottle buzzed about the ceiling; a slant of sunlight crossed the floor.

    A Son of Hagar

    Sir Hall Caine

  • The bluebottle fly or the goldfish became as easy as saying "Eureka!"

    Mr. Wicker's Window

    Carley Dawson

  • The house-fly and the bluebottle fly also belong to the order of the Diptera.

  • Five hundred a year,” he murmured, “to be henchman to a bluebottle!

    Jacob's Ladder

    E. Phillips Oppenheim

  • I next place in the cage a bluebottle, one only, to avoid confusion.

    The Life of the Fly

    J. Henri Fabre

British Dictionary definitions for bluebottle



another name for the blowfly
any of various blue-flowered plants, esp the cornflower
British an informal word for a policeman
Australian and NZ an informal name for Portuguese man-of-war
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012