i Register
In some senses, mav is marked as colloquial. Watch for register when choosing this word.
noun
Initialism of mature adult audience (“Strong Violence”).
Initialism of Mars ascent vehicle.
The MAV (Mars Ascent Vehicle) could tip over and they’d be stranded. Mark, now inside the Hab (the Mars Lander ‘Habitat’), says they should wait it out.
noun
A Maverick (in both noun senses).