Heap/hiːp/ Definition 1 of 4Pro Tip 1/2Visual Imagery Imagine a disorganized pile to grasp 'heap' as a physical collection of items. After the party, there was a heap of dishes in the sink. Pro Tip 2/2Size Implication Use 'heap' to emphasize that there's a large quantity of something. We have a heap of decorations to put up for the festival.