dilator
NounSynonyms:
dilater
WordNet 3.0
Noun (3)
- a muscle or nerve that dilates or widens a body part
- a drug that causes dilation
- a surgical instrument that is used to dilate or distend an opening or an organSynonyms: dilater
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]