separator

noun, a machine or device for separating, e.g. cream from milk or egg yolk from egg white (COD)

“We had to come home at noon and wash the separator and be back at school and don’t be late.”

“… cleaning the separator which separated the cream from the milk.”

“They would drain the whey off, and in our factory, we saved the whey, and it went through a separator and made whey-butter. Did you ever hear of whey-butter?”

“Whatever milk you had, you had to separate it with a little, it’s called a separator, a cream separator, and you separated the cream from the milk, and it went into little cans, and you took them over to Kingston and sold it at the dairies over in Kingston.”

“I remember we used to leave some of the milk sit and skim the cream off it, and then we’d make it into butter. Well, actually we had a separator too. I think you put just whole milk in that, and it separated the cream out, and then you had the whey. But you could essentially do the same thing by leaving it sit overnight.”