compost heap
noun/ˈkɒmpɒst hiːp/
/ˈkɑːmpəʊst hiːp/
(especially British English) (North American English usually compost pile
/ˈkɒmpɒst paɪl/
/ˈkɑːmpəʊst paɪl/
)Check pronunciation:
compost heap
Definition of compost heap noun from the Oxford Advanced Learner's Dictionary