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Webster 1913 Edition
Wallflower
Wall′flowˊer
,Noun.
1.
(Bot.)
A perennial, cruciferous plant (
Cheiranthus Cheiri
), with sweet-scented flowers varying in color from yellow to orange and deep red. In Europe it very common on old walls. ☞ The name is sometimes extended to other species of
Cheiranthus
and of the related genus Erysimum
, especially the American Western wallflower
(Erysimum asperum
), a biennial herb with orange-yellow flowers. 2.
A lady at a ball, who, either from choice, or because not asked to dance, remains a spectator.
[Colloq.]