Definitions

1. verb

to apply a layer of fertilizer or other material to the soil, especially to lawns or grasslands, at the start of the growing season

“The gardener decided to topdress the lawn with a rich compost to promote healthy growth.”

2. noun

a layer of fertilizer or other material applied to the soil, especially to lawns or grasslands

“The topdress was evenly spread across the lawn, and it looked beautiful.”