1. Any sturdy upright pole
   "The flag fluttered atop the tall mast in front of the building"
    
2. A vertical spar for supporting sails
   "The tall ship's main mast towered above the deck"
    
3. Nuts of forest trees (as beechnuts and acorns) accumulated on the ground
   "The wild boars foraged for mast beneath the oak trees"
    
4. Nuts of forest trees used as feed for swine
   "The pigs foraged for mast under the oak trees"

Derived forms: masts

Type of: feed, feedstuff, nut, pole, provender, spar

Part of: sailing ship, sailing vessel

Encyclopedia: Mast, Dennis