- cumulus, cumulus cloud - a globular cloud
--1 is a kind of cloud
--1 has particulars: altocumulus, altocumulus cloud - pile, heap, mound, cumulus - a collection of objects laid on top of each other
--2 is a kind of collection, aggregation, accumulation, assemblage
--2 has particulars:compost heap, compost pile; dunghill, midden, muckheap, muckhill; scrapheap; shock; slagheap; stack; pyre, funeral pyre; woodpile; stockpile Derived form: verb cumulate1