- a door consisting of two units horizontally divided so that each half can be opened or closed separately.
Origin of Dutch door
First recorded in 1640–50
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- US and Canadian a door with an upper and lower leaf that may be opened separatelyAlso called (in Britain and certain other countries): stable door
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