A mixture of organic matter, as from leaves and manure, that has decayed or has been digested by organisms, used to improve soil structure and provide nutrients.
tr.v. com·post·ed, com·post·ing, com·posts
1. To convert (vegetable matter) to compost.
2. To fertilize with compost.
[Middle English composte, from Old French, mixture, compost, from Latin compositum, mixture, from neuter past participle of compōnere, to put together; see COMPONENT.]
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