interchange

Etymology

From Old French entrechange.

verb

1. (transitive) to switch (each of two things)
   to interchange places
2. (transitive) to mutually give and receive (something); to exchange
3. (intransitive) to swap or change places
   The poem is written in an alef-lamed, bet-nun acrostic form. This is a formula of permutation of letters wherein the first interchanges with the twelfth, the second with the thirteenth, etc. 1996, Macy Nulman, The Encyclopedia of Jewish Prayer, page 260
4. (transitive) to alternate; to intermingle or vary
   to interchange cares with pleasures
5. (transport) To act as or carry out an interchange (noun, senses 2, 3).
   But those 13 miles go through central London, and where the Underground interchanges with Crossrail, its own stations will be boosted and glamorised, especially at Bond Street and Tottenham Court Road. 2012, Andrew Martin, Underground Overground: A passenger's history of the Tube, Profile Books, page 274
   The expectation is that about one-third of passengers will choose to interchange at Old Oak, while two-thirds will prefer to travel on to Euston. March 25 2020, William Barter, “HS2: Euston or Old Oak Common?”, in Rail, page 59

noun

1. An act of interchanging.
   That was one of three superb saves Hennessey made in the opening 45 minutes, the best of which was from Dzeko, who had been released by a slick interchange involving Silva and Sergio Aguero. October 29, 2011, Neil Johnston, “Norwich 3 - 3 Blackburn”, in BBC Sport
2. A highway junction in which traffic may change from one road to another without crossing a stream of traffic.
3. (rail transport) A connection between two or more lines, services or modes of transport; a station at which such a connection can be made.
   Holborn tube station is the only interchange between the London Underground Central and Piccadilly Lines.
   Moving on again, I catch another GWR Class 802 bound for Oxford via the Cotswold Line. Our first stop is at one of the newest stations on the network - Worcestershire Parkway, which opened on February 23. It's a four-platform (actually three-platform) split-level interchange with the line from Birmingham to Bristol. December 2 2020, Paul Bigland, “My weirdest and wackiest Rover yet”, in Rail, page 67