a sandwich, typically on three slices of toast, interlaid with pieces of cold chicken or turkey and bacon or ham and containing lettuce, tomato, mayonnaise, etc.
Origin of club sandwich
An Americanism dating back to 1900–05
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a sandwich consisting of three or more slices of toast or bread with a filling
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