Definition from Wiktionary, the free dictionary
- (idiomatic, intransitive) To enquire about something to different people.
- I don't know the answer to that, but maybe someone else does - I'll ask round.
- (idiomatic, transitive) To invite someone to your house.
- I think I'll ask John and Betty round for supper on Friday.
- In the transitive sense 2 the object may appear before or after the particle. If the object is a pronoun, then it must be before the particle.