heap
n. countable B1 Intermediate US //ˈhip// UK //hˈiːp// heap
n. a large, messy pile of things. You use this when items are thrown together without any order.
n. a collection of objects or material arranged in a disordered pile. Often used figuratively to describe a large quantity of something.
There is a heap of dirty clothes on the floor.
The gardener gathered the fallen leaves into a large heap at the edge of the lawn.
The archaeological site yielded a massive heap of pottery shards, suggesting that the area had once served as a communal dumping ground for the ancient village.
Usage
Commonly paired with 'of' followed by a plural or uncountable noun.