twin

twin definition - medical

twin (twĭn)

noun
One of two offspring born at the same birth.
adjective
  1. Being two or one of two offspring born at the same birth.
  2. Consisting of two identical or similar parts; double.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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