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general::
noun ADJ. big, great, large | little, small | crumpled, untidy | compost, manure, muck, rubbish, scrap, slag, spoil colliery spoil heaps VERB + HEAP be piled in Papers were piled in great heaps on the desk. | collapse in, fall (down) in (both figurative) He collapsed in an exhausted heap on the floor. PREP. in a/the ~ His clothes lay in a crumpled heap on the floor. | on/onto a/the ~ Throw the potato peelings on the compost heap. | ~ of a great heap of stones PHRASES the bottom/top of the heap (figurative) These workers are at the bottom of the economic heap.
Oxford Collocations Dictionary