corn salad

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. Any of several plants of the genus Valerianella, especially a Eurasian annual (V. locusta or V. olitoria), having small, white to pale bluish flowers and edible young leaves used in salads or as a potherb. Also called lamb's lettuce, mache.

Century Dictionary and Cyclopedia

1. n. The common name of Fedia or Valerianella olitoria, a plant eaten as a salad, found in grain-fields in Europe and rarely in America.

Wiktionary

1. n. US Any of various types of salad made using maize
2. n. Valerianella locusta, a small plant used in salads and as an herb.

GNU Webster's 1913

1. n. (Bot.) a name given to several species of Valerianella, annual herbs sometimes used for salad. Valerianella olitoria is also called lamb's lettuce.

WordNet 3.0

1. n. a plant of the genus Valerianella