From Longman Dictionary of Contemporary Englishrennetren‧net /ˈrenɪt/ noun [uncountable] DFa substance used for making milk thicker in order to make cheese
Examples from the Corpus
rennet• So we have to use junket rennet.• Very often such cheeses are made with a vegetarian rennet and natural sea salt.Origin rennet (1400-1500) From an unrecorded ren “to thicken a liquid”, from Old English gerennan 