1 a liliaceous plant, Hyacinthoides nonscripta, with clusters of bell-shaped blue flowers on a stem arising from a rhizome. Also called wild hyacinth, wood hyacinth (see HYACINTH).
2 Sc. a plant, Campanula rotundifolia, with solitary bell-shaped blue flowers on long stalks. Also called HAREBELL.
3 any of several plants with blue bell-shaped flowers.
Useful english dictionary. 2012.