mast noun - Definition, pictures, pronunciation and usage notes | Oxford Advanced American Dictionary at OxfordLearnersDictionaries.com

Definition of mast noun from the Oxford Advanced American Dictionary

mast

noun

NAmE//mæst//

1a tall pole on a boat or ship that supports the sails

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2a tall pole that is used for holding a flag

3a tall metal tower with an aerial that sends and receives radio or television signals see half-mast

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