noun Usually leg warmers.
a footless, stockinglike knitted covering for the leg, usually worn over tights, trousers, boots, etc., for warmth, as in a dance class or while exercising, or as a fashion accessory.
Origin of leg warmer
First recorded in 1970–75
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
one of a pair of garments resembling stockings without feet, usually knitted and brightly coloured, often worn over jeans, tights, etc or during exercise
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