noun

• Any of several species of large, extinct, flightless birds of the family Dinornithidae that were native to New Zealand; until its extinction, one species was the largest bird in the world.
• (Internet slang, uncommon) An extremely tall individual.
• Initialism of minute of angle. [An angle, one sixtieth (1/60ᵗʰ) of a degree, used by gunners as a measurement of accuracy. One minute of angle is roughly equal to 1 inch at 100 yards distance.]
• Initialism of military operations area.
• Initialism of memorandum of agreement (NATO AAP-15)
• Initialism of mission-oriented approach (NATO AAP-15)
• Initialism of mechanism of action.