A wooden cabinet that supports a wash basin not connected to a water supply.
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.
a wooden kitchen sink, esp. of the 19th century, that is not connected to an external water supply and has a shallow metal well on top and usu. a cupboard below.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.