Tank

tank, n. 1. a large armored vehicle with lots of firepower used in modern warfare. 2. synonym for brick. [GJ1] 3. (MUDs/MMORPGs) a character in a party who is given a special place in the party order; this character is usually the toughest and always attacks and is attacked first so that s/he takes all the damage. See also cargo. [ME] 4. (RPG) usu. a character in a party that has the most armor and/or hit points.