IPA: /ˈlɒpə/
KK: /ˈlɑːpər/
A tool or person used for cutting branches or plants, especially in gardening.
He used a lopper to trim the overgrown branches in the garden.
To turn sour and thicken, especially referring to milk that has been left out for too long.
If you leave the milk out of the fridge, it will lopper and become unusable.
Past: loppered
Past Participle: loppered
The word 'lopper' originates from the Old English 'loppian', meaning to cut off or trim. It refers to a tool or person that cuts or trims branches or foliage.
Think of someone who 'cuts off' ('loppian') branches — that's why a 'lopper' is a tool for trimming.