a formal or semiformal dress shirt with a starched front.
Why Do We Call It A “Wife Beater” Shirt?How did the violent term "wife beater" become associated with a piece of clothing anyway? For that, we take an etymological and sartorial tour through time.
Origin of boiled shirt
An Americanism dating back to 1850–55
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for boiled shirt
informal a dress shirt with a stiff front
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