| 1. | a mixture of various decaying organic substances, as dead leaves or manure, used for fertilizing soil. |
| 2. | a composition; compound. |
| 3. | to use in compost; make compost of: to compost manure and kitchen scraps. |
| 4. | to apply compost to (soil). |
| 5. | to make compost: Shredded leaves will compost easily. |