ˈskærɪfaɪər

Definitions

1. noun

A farm implement used to break up or loosen soil, especially to control weeds or to prepare it for sowing.

“The farmer used a scarifier to loosen the compacted soil in the field.”

2. verb

To loosen or break up soil, especially using a scarifier.

“The gardener scarified the lawn to remove weeds and aerate the soil.”