railroad flat(redirected from Railroad apartment)
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An apartment in which the rooms are connected in a line. Also called railroad apartment.
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.
an apartment whose series of narrow rooms forms a more or less straight line. Also called rail′road apart`ment.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.