A tall, slim post or tower, usually tapering upward, used to support, for examples, the sails on a ship, flags, floodlights, or communications equipment such as an aerial, usually supported by guy-wires. (noun)
To supply and fit a mast to a ship (verb)
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. (noun)
To feed on forest seed or fruit. (verb)
To vary fruit and seed production in multi-year cycles. (verb)
Examples of word mast
We very soon carried out this project, and all of us working away to join our handkerchiefs, we had by the next afternoon a big flag flying from what we called our mast-head.
I can scarcely bring myself to realize that that great mast is really up and in; that you have lifted it from the water, swung it through the air, and deposited it here where it belongs.
When I turn on the radio, I get a grinding sound 'cos the worm screw on the radio mast is stripped.
Pakistani flag in half mast from the Guardian and Benazir Bhutto from here.
Unless, of course, he was cast to play the main mast of Sinbad's ship.