Definition of "bluet"

bluet

noun
plural bluets
1. Any of several different plants, from several genera, having bluish flowers.
  Quotations
  My breathing shakes the bluet like a breeze [...].
  1913, Robert Frost, 'The Vantage Point'
  They passed undulating fields of wheat speckled with the confetti of poppies and bluets.
  1969, Vladimir Nabokov, Ada or Ardor, Penguin, published 2011, page 232
  1. Centaurea, a plant genus in the family Asteraceae
  2. Several plant genera in the family Rubiaceae, notably Houstonia and Oldenlandiopsis.
2. Any of several small damselfly species, including the genera Coenagrion and Enallagma.