dīlātor, ōris, m. [differo, B. 3.],
a delayer, a dilatory person , Hor. A. P. 172; Isid. 10, 77.
dīlātor ōris, m dis- + TAL-, a delayer, dilatory person , H. ...
An Elementary Latin Dictionary
·noun A muscle that dilates any part. II. Dilator ·noun One who, or that which, widens or expands. ...
Webster's Dictionary of the English Language