'Dilater' definitions:
Definition of 'dilater'
(from WordNet)
noun
A surgical instrument that is used to dilate or distend an opening or an organ [syn: dilator, dilater]
Definition of 'Dilater'
From: GCIDE
- Dilater \Di*lat"er\, n. One who, or that which, dilates, expands, or enlarges. [1913 Webster]