n.1.(Bot.) A kind of campion; according to Gerarde, the Lychnis Flos-cuculi.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in classic literature ?
But you must wear pink, my dear; that blue thing as your aunt Glegg gave you turns you into a crowflower. Jane never was tasty.
Purple daisy, carnation, columbine, marigold, pansy, violets, daffodil, myrtle, lily-of-the-valley, poppy, crowflower (similar to buttercups), hyssop, mallow, pink, primrose, honeysuckle, myrtle, lily
Nabokov pays special attention to the same question as a translator in his essay, The Art of Translation, where he sharply criticizes Pasternak's translation of Hamlet, in which the poet changed the names of simple "liberal shepherd's" plants ("crowflowers, nettles, daisies and long purples") into more sophisticated, genteel ones ("violets, carnations, roses and lilies") (Nabokov, The Art of Translation 316-17).