DILATOR
dilator, dilater
(noun) a surgical instrument that is used to dilate or distend an opening or an organ
dilator
(noun) a drug that causes dilation
dilator
(noun) a muscle or nerve that dilates or widens a body part
Source: WordNet® 3.1
Etymology
Noun
dilator (plural dilators)
(anatomy) Any nerve or muscle that causes part of the body to dilate
(medicine) Any drug that causes such dilation
(medicine) An instrument used to dilate an orifice or cavity
Synonyms
• (that which causes dilation): dilatator, dilater
Anagrams
• Altidor, ortalid
Source: Wiktionary
Di*lat"or, n. Etym: [See Dilate.]
1. One who, or that which, widens or expands.
2. (Anat.)
Definition: A muscle that dilates any part.
3. (Med.)
Definition: An instrument for expanding a part; as, a urethral dilator.
Source: Webster’s Unabridged Dictionary 1913 Edition