• WordNet 3.6
    • n Pisum small genus of variable annual Eurasian vines: peas
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Century Dictionary and Cyclopedia
    • n pisum A genus of leguminous plants of the tribe Vicieæ, distinguished from the large related genus Lathyrus by the dilated summit of the style, which is inflexed and hardened, with reflexed margins above, and bearded on the inner face. There are 2 species, one native of the Taurus in Asia Minor, the other, P. sativum, the common garden-and field-pea. Rivinus, 1691. See pea.
    • n pisum In zoology, a genus of bivalves.
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In literature:

There are also traces of casts of Spirifers, one of which is near to S. Pisum of the Wenlock rocks.
"Journal of an Overland Expedition in Australia" by Ludwig Leichhardt
Pisum sativum L. Pulse family.
"Texas Honey Plants" by C. E. Sanborn

In science:

Multiple forms of carboxylesterases in the green bean (Phaseolus vulgaris L.) and pea (Pisum sativum L.).
A Developmental Network Theory of Gynandromorphs, Sexual Dimorphism and Species Formation