Gnu Collaboartive International Dictionary of English: licensed under The Code Project Open License (CPOL)
Use "under-garment" in a sentence
"Over the purple under-garment came a I complex but graceful garment of bluish white, and I Graham was clothed in the fashion once more and saw himself, sallow-faced, unshaven and shaggy still, but at least naked no longer, and in some indefinable unprecedented way graceful."
"It might hardly seem necessary to refer to this fact, namely, that the under-garment which has been worn during the day should be taken off at night."
"A flannel under-garment reaching from the neck well down to the hips should always be worn, and in summer it may be of a thinner material than in the cooler weather."