tank (military vehicle); tank (a closed container for liquids or gases); large glass (for drinking); tank (a very muscular and physically imposing person); tank (fuel reservoir of a vehicle)
to tank (to protect a weak troop with a strong troop, a tank); to tank (to attract the attacks of an enemy target in cooperative team-based combat, so that one's teammates can defeat the enemy in question more efficiently); to put fuel into a tank