panties(underpants for women or girls) noun [UK: ˈpæn.tɪz] [US: ˈpæn.tiz]She was wearing pink panties under the skirt. = Sotto la gonna indossava delle mutandine rosa.
pants(undergarment covering the genitals) noun [UK: pænts] [US: ˈpænts]Where did he buy his pants? = Dove ha comprato le sue mutandine?