an undergarment, as a girdle or corset, worn by women to support or give shape to the contours of the body.
Origin of foundation garment
First recorded in 1925–30
Also called foundation.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a woman's undergarment worn to shape and support the figure; brassiere or corset
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