- a prosperous residential and commercial area of Boston, Massachusetts.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for back bay
So we purchased that afternoon, through Mr. H——, ten thousand dollars' worth of Back-bay land.Left on Labrador
Charles Asbury Stephens
On the north is the Charles river, which widens here into a broad, originally much broader, inner harbour or back-bay.
- Canadian a small bay or inlet of a lake
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012