|1.||nautical any vertical spar for supporting sails, rigging, flags, etc, above the deck of a vessel or any components of such a composite spar|
|2.||any sturdy upright pole used as a support|
|3.||nautical Also called: captain's mast a hearing conducted by the captain of a vessel into minor offences of the crew|
|4.||nautical before the mast as an apprentice seaman|
|5.||(tr) nautical to equip with a mast or masts|
|[Old English mæst; related to Middle Dutch mast and Latin mālus pole]|
Variant of masto-.
military antishock trousers