Boston marriage(redirected from Wellesley marriage)
A relationship between two intimate women friends who live together and are sometimes sexually involved.
[Perhaps after the devoted women pairs from Boston depicted in The Bostonians by Henry James.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.