1. the process of removing thatch (dead grass and moss) from a lawn or roof
Usage: commonly used in lawn care and gardening

1. to remove thatch from a lawn, roof, or other surface
Usage: present participle of dethatch

Examples

• Dethatching your lawn in spring helps grass grow more vigorously.
• The homeowner hired a professional for dethatching the roof after winter.
• We are dethatching the yard this weekend to improve drainage.
• Regular dethatching prevents moss buildup on the lawn.
• Dethatching machines can be rented from most garden centers.
• The contractor recommended dethatching before applying fertilizer.