Sometimes placed in family Convallariaceae lily of the valley

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Convallaria \Con`val*la"ri*a\, n. [NL., from L. convallis a valley; con- + vallis valley.] (Bot. & Med.) The lily of the valley.

Wiktionary Word definitions in Wiktionary
n. Any member of the genus ''Convallaria''; a lily of the valley.

Wikipedia Word definitions in Wikipedia
Convallaria is a genus of flowering plants, the most prevalent species of which is lily of the valley . It is usually described as the monotypic genus with the single species Convallaria majalis , but now some botanists distinguish up to 3 species of Convallaria ...