dilator

Noun
Synonyms: dilater

WordNet 3.0

Noun (3)

  1. a muscle or nerve that dilates or widens a body part
  2. a drug that causes dilation
  3. a surgical instrument that is used to dilate or distend an opening or an organSynonyms: dilater
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Webster's Dictionary (GCIDE)

Dilator \Di*lat"or\, n. [See Dilate.]

1.One who, or that which, widens or expands. [1913 Webster]

2.(Anat.) A muscle that dilates any part. [1913 Webster]

3.(Med.) An instrument for expanding a part; as, a urethral dilator. [1913 Webster]

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