Bachelorhood; also, a manner or peculiarity belonging to bachelors. W. Irving. BACHELOR'S BUTTON 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). Note: Bachelor's buttons, a name given to several flowers "from their similitude to the jagged ...