one of the 12 principal banks of the U.S. Federal Reserve System.
a bank authorized by a government to hold the reserves of other banks.
Origin of reserve bank
First recorded in 1900–05
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for reserve bank
one of the twelve banks forming part of the US Federal Reserve System
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