Pronunciation: (swet'pants"), [key]
—n. (used with a pl. v.)
loose-fitting pants of soft, absorbent fabric, as cotton jersey, usually with a drawstring at the waist and close-fitting or elastic cuffs at the ankles, commonly worn during athletic activity for warmth or to induce sweating. Also,sweat' pants".
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.