Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective Arranged or occurring in pairs; twin.

from The Century Dictionary.

  • In botany, twofold; twin; growing double, as the fruits of umbelliferous plants, the anthers of bedstraw, or the tubers of some orchids.
  • In zoology, twain; paired: applied to two spots, spines, tubercles, etc., when they form a pair touching each other.

from the GNU version of the Collaborative International Dictionary of English.

  • adjective (Bot.) Growing in pairs or twins.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective botany, zoology Twin, twinned; growing or occurring in pairs.

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[From Greek didumos, twin; see dwo- in Indo-European roots.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

Modern Latin, from Ancient Greek δίδυμος ("twin").

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Examples

Comments

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  • Twin; twinned; growing in pairs. (from Phrontistery)

    May 25, 2008

  • JM is pleased to have a couple of didymous appendages.

    February 4, 2011