any of various sausages or molded loaf meats, usually sliced and served cold, as in sandwiches or as garnishes for salads.
Origin of luncheon meat
First recorded in 1940–45
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for luncheon meat
a ground mixture of meat (often pork) and cereal, usually tinned
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