Pronunciation: (hēp),[key] —n. 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.
—v.t. 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.
—v.i. to become heaped or piled, as sand or snow; rise in a heap or heaps (often fol. by up).