Dictionary definitions
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arachis hypog[ae]a
From The Collaborative International Dictionary of English v.0.48:
Groundnut \Ground"nut`\ (ground"n[u^]t`), n. (Bot.) (a) The fruit of the Arachis hypog[ae]a (native country uncertain); the peanut; the earthnut. (b) A leguminous, twining plant (Apios tuberosa), producing clusters of dark purple flowers and having a root tuberous and pleasant to the taste. (c) The dwarf ginseng (Aralia trifolia). [U. S.] --Gray. (d) A European plant of the genus Bunium (B. flexuosum), having an edible root of a globular shape and sweet, aromatic taste; -- called also earthnut, {earth chestnut}, hawknut, and pignut. [1913 Webster] .
From The Collaborative International Dictionary of English v.0.48:
Hypogaeic \Hyp`o*g[ae]"ic\, a. [Pref. hypo- + Gr. gai^a, gh^, earth.] (Chem.) Pertaining to, or obtained from, the peanut, or earthnut (Arachis hypog[ae]a). [1913 Webster] Hypog[ae]ic acid (Chem.), an acid in the oil of the earthnut, in which it exists as a glyceride, and from which it is extracted as a white, crystalline substance. [1913 Webster] .
From The Collaborative International Dictionary of English v.0.48:
Peanut \Pea"nut\ (p[=e]"n[u^]t), n. (Bot.)
The fruit of a trailing leguminous plant ({Arachis
hypog[ae]a}); also, the plant itself, which is widely
cultivated for its fruit.
[1913 Webster]
Note: 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.
[1913 Webster]
.
From The Collaborative International Dictionary of English v.0.48:
Pindal \Pin"dal\, Pindar \Pin"dar\, n. [D. piendel.] (Bot.) The peanut (Arachis hypog[ae]a); -- so called in the West Indies. [1913 Webster]

