n.1. A structure spanning and providing passage over a gap or barrier, such as a river or roadway.
2. Something resembling or analogous to this structure in form or function: a land bridge between the continents; a bridge of understanding between two countries.
3. a. The upper bony ridge of the human nose.
b. The part of a pair of eyeglasses that rests against this ridge.
4. A fixed or removable replacement for one or several but not all of the natural teeth, usually anchored at each end to a natural tooth.
5. Music a. A thin, upright piece of wood in some stringed instruments that supports the strings above the soundboard.
b. A transitional passage connecting two subjects or movements.
6. Nautical A crosswise platform or enclosed area above the main deck of a ship from which the ship is controlled.
7. Games a. A long stick with a notched plate at one end, used to steady the cue in billiards. Also called rest1.
b. The hand used as a support to steady the cue.
8. Electricity a. Any of various instruments for measuring or comparing the characteristics, such as impedance or inductance, of a conductor.
b. An electrical shunt.
9. Chemistry An intramolecular connection that spans atoms or groups of atoms.