Weight  —n. 1 force experienced by a body as a result of the earth's gravitation. 2 heaviness of a body regarded as a property of it. 3 a quantitative expression of a body's weight. B scale of such weights (troy weight). 4 body of a known weight for use in weighing or weight training. 5 heavy body, esp. As used in a mechanism etc. 6 load or burden. 7 influence, importance. 8 athletics = *shot1 7. —v. 1 a attach a weight to. B hold down with a weight. 2 (foll. By with) impede or burden.  throw one's weight about (or around) colloq. Be unpleasantly self-assertive. Worth one's weight in gold very useful or helpful. [old english]