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 (ko͞o′ko͞o-flou′ər, ko͝ok′o͞o-)
1. A perennial herb (Cardamine pratensis) in the mustard family, native to the northern temperate regions and having pinnate leaves and pink, purple, or sometimes white flowers. Also called lady's smock.
2. The ragged robin plant.

[From the association of its time of blooming with the cuckoo's spring call.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Plants) another name for lady's-smock, ragged robin
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈku kuˌflaʊ ər, ˈkʊk u-)

any of various plants, as the lady's-smock or ragged robin, whose time of blooming is associated with the cuckoo's spring call.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.cuckooflower - a bitter cress of Europe and Americacuckooflower - a bitter cress of Europe and America
bitter cress, bittercress - any of various herbs of the genus Cardamine, having usually pinnate leaves and racemes of white, pink or purple flowers; cosmopolitan except Antarctic
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
They fly between April and July, after their caterpillars have spent some time gorging on garlic mustard, cuckooflower and hedge mustard.
But once people 'tune in' to the flowers that do remain -- oxeye daisies, buttercups and cuckooflower -- they really do start to notice the richness that's there.