Cheese [noun]
Photo Iga Pelczarska

1) [uncountable , countable] a type of food made from milk that can be either soft or hard and is usually white or yellow in colour; a particular type of this food

Cheddar cheese goat's cheese (= made from the milk of a goat )
a cheese sandwich/salad a chunk/piece/slice of cheese
a selection of French cheeses a cheese knife (= a knife with a special curved blade with two points on the end, used for cutting and picking up pieces of cheese)
see also American cheese, blue cheese, cauliflower cheese, cottage cheese, cream cheese, macaroni cheese
2) cheese! what you ask somebody to say before you take their photograph