weight

noun

1. the amount or quantity of heaviness or mass; amount a thing weighs.
2. Physics. the force that gravitation exerts upon a body, equal to the mass of the body times the local acceleration of gravity: commonly taken, in a region of constant gravitational acceleration, as a measure of mass.
3. a system of units for expressing heaviness or mass: avoirdupois weight.
4. a unit of heaviness or mass: The pound is a common weight in English-speaking countries.
5. a body of determinate mass, as of metal, for using on a balance or scale in weighing objects, substances, etc.
6. a specific quantity of a substance that is determined by weighing or that weighs a fixed amount: a half-ounce weight of gold dust.
7. any heavy load, mass, or object: Put down that weight and rest your arms.
8. an object used or useful solely because of its heaviness: the weights of a clock.
9. a mental or moral burden, as of care, sorrow, or responsibility: Knowing you are safe takes a weight off my mind.
10. importance, moment, consequence, or effective influence: an opinion of great weight.
11. Statistics. a measure of the relative importance of an item in a statistical population.
12. (of clothing, textiles, etc.)
    1. relative heaviness or thickness as related to warmth or to seasonal use (often used in combination): a winter-weight jacket.
    2. relative heaviness or thickness as related to use: a bolt of coat-weight woolen cloth.
13. Printing. (of type) the degree of blackness or boldness.
14. (especially in boxing) a division or class to which a contestant belongs according to how much he weighs: two brothers who fight professionally in the same weight.
15. the total amount the jockey, saddle, and leads must weigh on a racehorse during a race, according to the conditions of the race: Jacinto has a weight of 122 pounds in the seventh race.
16. the stress or accent value given a sound, syllable, or word.