The definition of a heap is a pile, mound or a large number of things.(noun)
An example of a heap is a pile of garbage laying outside.
Heap is defined as to make a big pile or to give large amounts of something.(verb)
An example of to heap is to make a big stack of clothes.
See heap in Webster's New World College Dictionary
Origin: ME hepe, a troop, heap < OE heap, a troop, band, multitude, akin to Ger hauf(en), Du hoop < IE *keub- < base *keu-, bend, arch > hop, hive
See heap in American Heritage Dictionary 4
Origin: Middle English
Origin: , from Old English hēap.
Learn more about heap