- a customs union comprising Belgium, the Netherlands, and Luxembourg, begun January 1, 1948.
- Belgium, the Netherlands, and Luxembourg considered together.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- the customs union formed by Belgium, the Netherlands, and Luxembourg in 1948; became an economic union in 1960
- these countries collectively
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
Word Origin and History for benelux
the customs union of Belgium, the Netherlands and Luxemburg, formed October 1947.
Online Etymology Dictionary, © 2010 Douglas Harper