- (especially of milk) to curdle or coagulate.
Origin of lopper2
1300–50; Middle English loperen, equivalent to lop- (< Old Norse hlaup coagulation) + -er -er6 + -en infinitive suffix
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for loppered
When the tea-kettle boils, pour the water into a pan of "loppered" milk.Housekeeping in Old Virginia
Marion Cabell Tyree
Any one who knows anything about dairy work knows what loppered milk is.