pigskin
From Longman Dictionary of Contemporary EnglishRelated topics: Material & textiles, American footballpigskinpig‧skin /ˈpɪɡˌskɪn/ noun 1 [uncountable]TIM leather made from the skin of a pig a pigskin suitcase2 [singular] American English informalDSA the ball used in American football We started tossing the pigskin around.