pan ‧ ta ‧ loons /ˌpæntəˈluːnz/ BrE AmE noun [plural] old-fashioned
[ Date: 1600-1700 ; Language: French ; Origin: Pantalon 'Pantaloon' , character in a humorous play who wore such pants, from Old Italian Pantaleone ]
long trousers with wide legs, that become tight at the bottom of your legs