WALLFLOWER

n. 1 a a fragrant spring garden-plant, Cheiranthus cheiri, with esp. brown, yellow, or dark-red clustered flowers. b any of various flowering plants of the genus Cheiranthus or Erysimum, growing wild on old walls. 2 colloq. a neglected or socially awkward person, esp. a woman sitting out at a dance for lack of partners.