bluebell

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. Any of several bulbous plants of the genus Hyacinthoides (syn. Endymion) in the lily family, native to western Europe and northwest Africa and having racemes of usually blue to pink bell-shaped flowers. Also called wood hyacinth.
2. n. Any of numerous plants of the genus Mertensia, native to Asia, Europe, and North America and having blue, trumpet-shaped flowers.
3. n. See harebell.
4. n. Any of several other plants having bluish, usually bell-shaped flowers.

Century Dictionary and Cyclopedia

1. n. The popular name of several different plants: In Scotland, of Campanula rotundifolia, a plant bearing a loose panicle of blue bell-shaped flowers. See harcbell.
2. n. In England, of Scilla nutans, the wild hyacinth, from the shape of its drooping flowers.
3. n. Of the grape-hyacinth, Muscari botryoides.
4. n. Occasionally, of other plants with blue bell-shaped flowers.

Wiktionary

1. n. Either of two flowering plants of the genus Hyacinthoides, the English bluebell and the Spanish bluebell.
2. n. A harebell, Campanula rotundifolia.

GNU Webster's 1913

1. n. A plant of the genus Campanula, especially the Campanula rotundifolia, which bears blue bell-shaped flowers; the harebell.
2. n. A plant of the genus Scilla (Scilla nutans).

WordNet 3.0

1. n. one of the most handsome prairie wildflowers having large erect bell-shaped bluish flowers; of moist places in prairies and fields from eastern Colorado and Nebraska south to New Mexico and Texas
2. n. perennial of northern hemisphere with slender stems and bell-shaped blue flowers
3. n. sometimes placed in genus Scilla