Main Entry: di·late

Pronunciation: \dī-ˈlāt, ˈdī-ˌ\

Function: verb

Inflected Form(s): di·lat·ed; di·lat·ing

transitive verb

: to enlarge, stretch, or cause to expand <dilate his pupils with atropine> <the drug dilates peripheral arteries>

intransitive verb

: to become expanded or swollen <the cervix was dilating> <the pupils dilated>