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Related to batt: Battle of Britain
1. Pieces of fabric used for stuffing; batting.
a. Insulation, usually made of fiberglass, that is used chiefly to prevent heat loss and is manufactured in sheets or rolls.
b. A roll or section of such insulation.
[Variant of bat, cotton or wool fiber wadded into rolls or sheets.]
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.
1. (Textiles) textiles another word for batting1
2. Austral and NZ a slab-shaped piece of insulating material used in building houses
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
a sheet of matted cotton, wool, or synthetic fibers.
[1830–40; appar. identical with bat1]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.