Pronunciation: (hēp), [key]
1. a group of things placed, thrown, or lying one on another; pile: a heap of stones.
2. Informal.a great quantity or number; multitude: a heap of people.
3. Slang.an automobile, esp. a dilapidated one.
4. all of a heap, Informal.
a. overwhelmed with astonishment; amazed: We were struck all of a heap upon hearing of their divorce.
b. suddenly; abruptly: All of a heap the room was empty.
1. to gather, put, or cast in a heap; pile (often fol. by up, on, together, etc.).
2. to accumulate or amass (often fol. by up or together): to heap up riches.
3. to give, assign, or bestow in great quantity; load (often fol. by on or upon): to heap blessings upon someone; to heap someone with work.
4. to load, supply, or fill abundantly: to heap a plate with food.
to become heaped or piled, as sand or snow; rise in a heap or heaps (often fol. by up).
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.