compost heap compost • compost pile · · · Info · Definitions · Synonyms · Characters · · compost heap · · Text Common · · Latin · · Scripts 12 · · Length 3 · · Syllables Definitions · · · (noun) a heap of manure and vegetation and other organic residues that are decaying to become compost. Synonyms: compost heap, compost pile. · · Noun Definition 1 Synonyms · · · compost pile · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 h latin small letter h U+0068 m latin small letter m U+006D o latin small letter o U+006F p latin small letter p U+0070 s latin small letter s U+0073 t latin small letter t U+0074