1. a tall pole on a ship or boat that supports the sails
Usage: nautical
2. a tall pole or tower that supports antennas for radio, television, or cell phone signals
3. nuts, seeds, or fruit that have fallen from trees and serve as food for animals
Usage: forestry

Examples

• The ship’s main mast was damaged in the storm.
• Sailors climbed the mast to adjust the rigging.
• The cell phone tower had a tall mast with multiple antennas.
• Radio signals were transmitted from the broadcasting mast.
• Squirrels gathered acorns and other mast from the forest floor.
• The oak trees produced abundant mast this fall.
• Wild boars feed on mast during autumn months.