Bach"e*lor's but"ton (?), Bot.
A plant with flowers shaped like buttons; especially, several species of Ranunculus, and the cornflower (Centaures cyanus) and globe amaranth (Gomphrena).
⇒ Bachelor's buttons, a name given to several flowers "from their similitude to the jagged cloathe buttons, anciently worne in this kingdom", according to Johnson's Gerarde, p.472 (1633); but by other writers ascribed to "a habit of country fellows to carry them in their pockets to divine their success with their sweethearts."
© Webster 1913.