1. a mixture of decayed organic matter used to fertilize soil

1. to make compost by allowing organic matter to decay

Examples

• We added compost to the garden to help the vegetables grow.
• The rich compost made the soil dark and fertile.
• She composted all the kitchen scraps in a bin behind the house.
• Leaves and grass clippings make excellent compost materials.
• The farmer spread compost over his fields each spring.
• It takes several months to compost organic waste properly.
• Our school started a compost program to reduce food waste.