leg warmer

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. 2018

1974, from leg + agent noun from warm (v.). Related: Leg-warmers.