tr.v. un·stepped, un·step·ping, un·steps Nautical
To remove (a mast) from a step.
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.
vb, -steps, -stepping or -stepped
(Nautical Terms) (tr) nautical to remove (a mast) from its step
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
v.t. -stepped, -step•ping.
to lift from its step, as a mast.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
Past participle: unstepped
Collins English Verb Tables © HarperCollins Publishers 2011