undergarment

noun2

1. •
   Any garment worn underneath others, especially one worn next to the skin; an item of underwear.

   • Richard DeLongpre: Are you okay, my boy angel? Allen Gregory DeLongpre: I have a broken heart. And undergarments filled with my own unruly waste. — 2011
2. •
   [in the plural] Temple garments worn by the followers of the Church of Jesus Christ of Latter-day Saints.