COWPEA
cowpea, cowpea plant, black-eyed pea, Vigna unguiculata, Vigna sinensis
(noun) sprawling Old World annual cultivated especially in southern United States for food and forage and green manure
cowpea, black-eyed pea
(noun) fruit or seed of the cowpea plant
Source: WordNet® 3.1
Etymology
Noun
cowpea (plural cowpeas)
Any of the plants in the species Vigna unguiculata, including the black-eyed pea.
Source: Wiktionary
Cow"pea` (-p`), n.
Definition: The seed of one or more leguminous plants of the genus
Dolichos; also, the plant itself. Many varieties are cultivated in
the southern part of the United States.
Source: Webster’s Unabridged Dictionary 1913 Edition