Definify.com
Webster 1913 Edition
Peanut
Pea′nut
(pē′nŭt)
, Noun.
(Bot.)
The fruit of a trailing leguminous plant (
Arachis hypogæa
); also, the plant itself, which is widely cultivated for its fruit. ☞ The fruit is a hard pod, usually containing two or three seeds, sometimes but one, which ripen beneath the soil. Called also
earthnut
, groundnut
, and goober
.