gravty -
n. 1 a the force that attracts a body to the centre of the earth or other celestial body. b the degree of intensity of this measured by acceleration. c gravitational force.
2 the
property of having weight.
3 a importance, seriousness; the quality of
being grave. b solemnity, sobriety; serious demeanour.
gravity feed the supply of material by its fall under gravity. [F gravit÷ or L gravitas f. gravis heavy]