(1) - Dilator (n.) An instrument for expanding a part; as, a urethral dilator. (2) - Dilator (n.) A muscle that dilates any part. (3) - Dilator (n.) One who, or that which, widens or expands.
(1) - Dilatory (a.) Marked by procrastination or delay; tardy; slow; sluggish; -- said of actions or measures. (2) - Dilatory (a.) Inclined to defer or put off what ought to be done at once; given the procrastination; delaying; procrastinating; loitering; as, a dilatory servant.