shortening
noun [ U ] US uk/ˈʃɔː.tən.ɪŋ/ us/ˈʃɔːrt.nɪŋ/
（尤指使酥饼松脆的）起酥油（如黄油）
a type of solid vegetable oil, or sometimes butter or lard (= fat from animals), that is used in cooking, especially to make pastry soft and crumbly (= easily broken)