bachelor's button

== English == === Alternative forms === bachelors button === Noun === bachelor's button (plural bachelor's buttons) (usually in the plural) Any one of a number of plants with daisy-like, button-shaped flowers of the genus Centaurea, especially the species Centaurea cyanus. (usually in the plural) feverfew, Tanacetum parthenium. (usually in the plural) The plant Ranunculus aconitifolius. A button which may be attached to clothing without resorting to needle and thread. ==== Synonyms ==== (Centaurea cyanus): cornflower, common cornflower, bluebottle, boutonniere flower, hurtsickle ==== Translations ====