'Dilator' definitions:
Definition of 'dilator'
From: WordNet
noun
A muscle or nerve that dilates or widens a body part
noun
A drug that causes dilation
noun
A surgical instrument that is used to dilate or distend an opening or an organ [syn: dilator, dilater]
Definition of 'Dilator'
From: 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]