Periwinkle
Part of speech: noun
Definition: an evergreen plant of genus Vinca with blue or white flowers. A color with bluish and purplish hues, somewhat light. a mollusk of genus Littorina, sometimes called winkle
Part of speech: adjective
Definition: of pale bluish purple colour.
Winkle
Part of speech: noun
Definition: Any one of various marine spiral gastropods, especially, in the United States, either of two species of Fulgar (F. canaliculata and F. carica).(children's slang) The penis, especially that of a boy rather than that of a man.