Detailed Notes on pile
heap up, stack up, pile up - organize into piles or stacks; "She piled up her books in my family room"Beside a charred pile of timbers the Abyssinians halted, and Tarzan, sneaking near and concealing himself in nearby shrubbery, watched them in wonderment.ten. (typically foll by up) to collect or be collected into or as though into a pile: snow pil