weight body's relative mass or the quantity of matter contained by it,giving rise to a downward fore;the heaviness of a person or example:He was at least fifteen stone in : net weight;gross weightweigh vt.& out how heavy(someone or something)is,typically using example: weigh yourself on the day you begin the diet. when did you weigh last?weight 名词,means“重量,多重”weigh 作动词用 means“称……重量”