Definition of heap

• n. - A crowd; a throng; a multitude or great number of persons.
• n. - A great number or large quantity of things not placed in a pile.
• n. - A pile or mass; a collection of things laid in a body, or thrown together so as to form an elevation; as, a heap of earth or stones.
• v. t. - To collect in great quantity; to amass; to lay up; to accumulate; -- usually with up; as, to heap up treasures.
• v. t. - To throw or lay in a heap; to make a heap of; to pile; as, to heap stones; -- often with up; as, to heap up earth; or with on; as, to heap on wood or coal.
• v. t. - To form or round into a heap, as in measuring; to fill (a measure) more than even full.