noun
The state or condition of having weight; weight; heaviness.
The state or condition of being grave; seriousness.
(music) The lowness of a note.
(physics) The phenomenon that, on earth, objects have weight; the similar phenomenon on other celestial bodies such as the moon.
(loosely, see usage notes) Gravitation, the universal force exercised by two bodies on each other by virtue of their masses.
(physics) A law or laws of gravitation: any theory which attempts to account for the phenomena of weight and/or the mutual attraction of massive objects (Aristotelian gravity, Newtonian gravity).
(physics) Specific gravity.