As a Noun: 1. A quantity of things which forms a mass that is high in the middle and has sloping sides. English = heap, pile. 2. A quantity of earth which forms a mass that is high in the middle and has sloping sides. English = mound. As a Verb or Adjective: 1. To become or be a mass of things that is high in the middle with sloping sides. English = heap up, pile up; (be) heaped up, (be) piled up.