something upon which to rest a knife when it is not being used.
Military. a metal or wood frame strung with barbed wire for use as a movable road barrier or underwater beach obstacle.
Origin of knife rest
First recorded in 1855–60
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a support on which a carving knife or carving fork is placed at the table
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012