mast

noun

1. a vertical spar for supporting sails

Definition categories: man–made, spar

2. nuts of forest trees (as beechnuts and acorns) accumulated on the ground

Definition categories: plant, nut

3. nuts of forest trees used as feed for swine

Definition categories: food, feed, provender

4. any sturdy upright pole

Definition categories: man–made, pole

verb

1. To supply and fit a mast to a ship

2. (of swine and other animals) To feed on forest seed or fruit.

3. (agriculture, forestry, ecology, of a population of plants) To vary fruit and seed production in multi-year cycles.