• Webster's Revised Unabridged Dictionary
    • a Didymous dĭd"ĭ*mŭs (Bot) Growing in pairs or twins.
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Century Dictionary and Cyclopedia
    • didymous In botany, twofold; twin; growing double, as the fruits of umbelliferous plants, the anthers of bedstraw, or the tubers of some orchids.
    • didymous In zoology, twain; paired: applied to two spots, spines, tubercles, etc., when they form a pair touching each other.
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Chambers's Twentieth Century Dictionary
    • adj Didymous did′i-mus twin.
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Webster's Revised Unabridged Dictionary
Gr. di`dymos twofold, twin


In literature:

Stamens are three and anthers didymous and small.
"A Handbook of Some South Indian Grasses" by Rai Bahadur K. Ranga Achariyar
There is something caressing about Didyme.
"The Belovéd Vagabond" by William J. Locke
Seeds two, roundish, joined into a didymous shape, downy.
"Lachesis Lapponica" by Carl von Linné
Pod 2-seeded, didymous; the valves rugose, separating at maturity from the little partition as 2 closed 1-seeded nutlets.
"The Manual of the Botany of the Northern United States" by Asa Gray