lopper

1
[lop-er]
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Origin of lopper

1
First recorded in 1530–40; lop1 + -er1

lopper

2
[lop-er]
verb (used with or without object) Scot. and North Central U.S..
  1. (especially of milk) to curdle or coagulate.

Origin of lopper

2
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