(boxing) a boxer weighing more than a lightweight boxer and less than a middleweight boxer; someone boxing in the welterweight class

(chemistry) the amount of a substance whose weight, in grams, is equal to its molecular weight

(bodybuilding) A high-calorie beverage or powdered drink used to bulk up the physique, especially the muscles. Typically, such beverages are very high in sugar content, and need to be drunk in large volumes.

(weightlifting) A person who competes for maximum weight lifted in a series of specific lifts.

simple past tense and past participle of weight

Having weights on it. / Biased, so as to favour one party. / (graph theory, of a graph) having values assigned to its edges

The total weight of a vehicle and its freight, fuel, passengers etc. / The total weight of a product and its packaging.

Without weight. / Not affected by gravity.

Alternative form of carry one's weight

(idiomatic) To contribute or produce one's fair share, as of work, money, etc.