What is the meaning of Grav?

A unit of force or acceleration equal to the standard acceleration of free fall.

An artificial gravity generator.

An anti-gravity device.

grave, tomb

pit, ditch, trench

imperative of grave

a grave (place of burial)

imperative of grave

a grave (place of burial)

imperative of grava

grave, serious

critical, important, weighty

severe, stern

earnest

baritone, low in pitch, tone

gravely

a grave

severe, as in a mistake or a congenital disorder

grave (accent)

Source: wiktionary.org