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feist(fīst) also fice (fīs)
n. Chiefly Southern US
A small mongrel dog.
[Variant of obsolete fist, short for fisting dog, from Middle English fisting, a blowing, breaking wind, from Old English fīsting; see pezd- in Indo-European roots.]
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.
informal dialect US a small dog
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
Chiefly Dial. a small mongrel dog, esp. one that is spirited or pugnacious.
[1760–70; compare (from 16th century) contemptuous epithets for a dog (present participle of fist to break wind, late Middle English)]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.