Dilator
Pronunciation : Di*lat"or
Part of Speech : n.
Etymology : [See Dilate.]
Definition : 1. One who, or that which, widens or expands.
2. (Anat.)
Defn: A muscle that dilates any part.
3. (Med.)
Defn: An instrument for expanding a part; as, a urethral dilator.
Source : Webster's Unabridged Dictionary, 1913