Real Dictionary

return
A return ticket is a ticket for a journey from one place to another and then back again.
The return trip or journey is the part of a journey that takes you back to where you started from.
Your return is your arrival back at a place where you had been before.
countable noun: A tax return is an official form that you fill in with details about your income and personal situation, so that the income tax you owe can be calculated.
countable noun: The return on an investment is the profit that you get from it.
plural noun: Returns are the results of votes after an election.
verb: If a feeling or situation returns, it comes back or happens again after a period when it was not present.
verb: If you return someone's action, you do the same thing to them as they have just done to you. If you return someone's feeling, you feel the same way towards them as they feel towards you.
verb: If you return something somewhere, you put it back where it was.
verb: If you return something that you have borrowed or taken, you give it back or put it back.
verb: If you return to a state that you were in before, you start being in that state again.
verb: If you return to a subject that you have mentioned before, you begin talking about it again.
verb: If you return to an activity that you were doing before, you start doing it again.
verb: When a judge or jury returns a verdict, they announce whether they think the person on trial is guilty or not.
verb: When you return to a place, you go back there after you have been away.

return in Accounting
noun: A return on an investment is the profit that you get from it.

return in American English
to go or come back, as to a former place, condition, practice, opinion, etc.
intransitive verb: to go or come back, as to a former place, position, or state
noun: the act or fact of returning as by going or coming back or bringing, sending, or giving back
transitive verb: to put, bring, take, give, or send back to the original place, position, etc.

return in British English
verb: to come back to a former place or state

return in Retail 1
noun: A return is an item that had been bought by a customer and is then brought or sent back to the store.

return in Retail 2
verb: When you return faulty or unsatisfactory goods, you take or send them back to the store where you bought them.