definition of
dilate

[1] #1 dilate v. [distend] become wider; "His pupils were dilated". wn

[2] #2 dilate v. [elaborate, lucubrate, expatiate, exposit, enlarge, flesh out, expand, expound] add details, as to an account or idea; clarify the meaning of and discourse in a learned way, usually in writing; "She elaborated on the main ideas in her dissertation". wn