A tall, slim post or tower, usually tapering upward, used to support, for example, sails or observation platforms on a ship, the main rotor of a helicopter, flags, floodlights, meteorological instruments, or communications equipment, such as an aerial, usually supported by guy-wires (except in the case of a helicopter).
The fruit of forest-trees (beech, oak, chestnut, pecan, etc.), especially if having fallen from the tree, used as fodder for pigs and other animals.
A non-judicial punishment ("NJP"); a disciplinary hearing under which a commanding officer studies and disposes of cases involving those under his command.
The anabolic steroid Drostanolone propionate, also known as Masteron
To supply and fit a mast to (a ship).
To feed on forest seed or fruit.
To produce a very large quantity of fruit or seed in certain years but not others.
Anything very tall or high.
A very tall building with a large number of floors.