mast /mɑːst $ mæst/ noun [countable]
[Language: Old English; Origin: mæst]

1. a tall pole on which the sails or flags on a ship are hung

2. British English a tall metal tower that sends out radio and television signals:
a radio mast

3. a tall pole on which a flag is hung
⇒ half-mast

[TahlilGaran] Dictionary of Contemporary English ▲

mast
̈ɪmɑ:st
See: nail one's colors to the mast

[TahlilGaran] English Idioms Dictionary ▲