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cold-wa·ter flator cold water flat (kōld′wô′tər, -wŏt′ər)
An apartment that has cold running water but no hot water or central heating.
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, often in an unheated building, provided only with cold running water.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.