To ward off attacks against; to fight to protect; to guard.
To focus one's energies and talents on preventing opponents from scoring, as opposed to focusing on scoring.
To attempt to retain a title, or attempt to reach the same stage in a competition as one did in the previous edition of that competition.
To call a raise from the big blind.
To support by words or writing; to vindicate, talk in favour of.
To make legal defence of; to represent (the accused).
To protect from the intrusion of the uninitiated.
To seal a lodge against intrusions from unauthorised people.
To arrange in a regular pattern, with adjoining edges (applied to tile-like objects, graphics, windows in a computer interface).
To optimize (a loop in program code) by means of the tiling technique.
To cover with tiles.
Any of various flat cuboid playing pieces used in certain games, such as dominoes, Scrabble, or mahjong.
A regularly-shaped slab of clay or other material, affixed to cover or decorate a surface, as in a roof-tile, glazed tile, stove tile, carpet tile, etc.
A rectangular graphic.