round trip

round trip idiom
A journey to a given place and back again, usually over the same route; also, a ticket for such a trip. For example, The fare for a round trip is generally lower than for two one-way journeys. [Mid-1800s]

The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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