Definition of "Heap" :

noun: a car that is old and unreliable

noun: a collection of objects laid on top of each other

noun: (often followed by of') a large number or amount or extent

verb: fill to overflow

"Heap the platter with potatoes."

verb: arrange in stacks

"Heap firewood around the fireplace."

verb: bestow in large quantities

"He heaped him with work."