1. [verb] Present participle of board
2. [noun] The act of people getting aboard a ship or aircraft; embarkation
3. [noun] The act of a sailor or boarding party attacking an enemy ship
4. [noun] A structure made of boards
5. [noun] Riding a skateboard
6. [noun] (ice hockey) a penalty called for pushing into the boards
7. [noun] The act of passengers and crew getting aboard a ship or aircraft.
8. [noun] A structure of boards.