1. the vertical force exerted by a mass as a result of gravity
2. sports equipment used in calisthenic exercises and weightlifting; a weight that is not attached to anything and is raised and lowered by use of the hands and arms
3. the relative importance granted to something;
"his opinion carries great weight"
4. an artifact that is heavy
5. an oppressive feeling of heavy force;
"bowed down by the weight of responsibility"
6. a system of units used to express the weight of something
7. a unit used to measure weight;
"he placed two weights in the scale pan"
8. (statistics) a coefficient assigned to elements of a frequency distribution in order to represent their relative importance