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

  • adjective Consisting of two parts or segments, as the tarsus in certain insects.
  • adjective Botany Having flower parts, such as petals, sepals, and stamens, in sets of two.

from The Century Dictionary.

  • Consisting of or divided into two parts; bipartite.
  • Specifically In botany, having two members in each whorl: said of flowers. Sometimes written by botanists 2-merous.
  • In entomology, having two-jointed tarsi; specifically, pertaining to the Dimera.

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

  • adjective Composed of, or having, two parts of each kind.

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

  • adjective botany in two parts: in a flower each whorl (of flower parts) has two flower parts.


from Wiktionary, Creative Commons Attribution/Share-Alike License

From Ancient Greek διμερής ("bi-partite").



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