1but·ter 
/ˈbʌtɚ/ noun
plural but·ters /ˈbʌtɚ/ noun 1 [noncount] : a solid yellow substance made from milk or cream that is spread on food or used in cooking
▪ bread and butter ▪ Would you like some butter for your potato? ▪ Sauté the onions in melted butter. — see also bread and butter 2 [count, noncount] : a food made from cooked fruit or roasted nuts that have been ground up
▪ apple butter — see also peanut butter
▪ bread and butter ▪ Would you like some butter for your potato? ▪ Sauté the onions in melted butter. — see also bread and butter
▪ apple butter — see also peanut butter
butter wouldn't melt in someone's mouth
chiefly Brit — used to say that a person who appears to be innocent, sincere, or kind is really not
like a (hot) knife through butter — see 1knife
