dilator: Meaning and Definition of

di•la•tor

Pronunciation: (dī-lā'tur, di-, dī'lā-), [key]
— n.
  1. a muscle that dilates some cavity of the body.
  2. an instrument for dilating body canals, orifices, or cavities.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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