| Noun | 1. | undergarment - a garment worn under other garmentsbody stocking - a one-piece tight-fitting undergarment for women that covers the torso (and may have sleeves and legs) garment - an article of clothing; "garments of the finest silk" underpants - an undergarment that covers the body from the waist no further than to the thighs; usually worn next to the skin | |