Dilating

verb

1. To enlarge; to make bigger.

   "The eye doctor put drops in my eye to dilate the pupil so he could see the nerve better."

2. To become wider or larger; to expand.

   "His heart dilates and glories in his strength."

3. To speak largely and copiously; to dwell in narration; to enlarge; with "on" or "upon".
4. To use a dilator to widen (something, such as a vagina).
5. (dismissal, 4chan) Expression of anger and contempt, specifically at transgender women.