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 gravité or L gravitas f. gravis heavy ]