(bär) noun
1. A piece of solid material, evenly shaped and long in proportion to its width and thickness: often used as a unit of quantity, a fastening, a barrier, etc.
2. Any barrier or obstruction.
3. A bank, as of sand, at the entrance to a river or harbor.
4. The enclosed place in court occupied by counsel; also, the place where a prisoner stands to plead; hence, the court or any place of justice, or anything considered as analogous; a judgment seat.
5. Lawyers collectively; the legal profession.
6. A room or a counter where liquors or refreshments are dispensed.
7. A stripe; a band, as of color or light.
8. Music a The vertical line that divides a staff into measures. b A double bar. c The unit of music between two bars; measure.
9. A horizontal timber or other piece connecting two parts of a framework.
10. The solid metal mouthpiece of a horse's bridle; also, the space in front of a horse's upper molar teeth in which the bit is placed; also, that portion of a horse's foot that bends toward the frog.
11. In needlepoint, a transverse thread or group of threads passed from one side or corner of an opening to another: usually twisted or buttonholed and sometimes finished with knots.
12. Law The preventing or stopping of an action by showing that the plaintiff has no right of action.
13. Her. An ordinary formed by two parallel lines drawn horizontally across a shield, covering one fifth of the field. See synonyms under BARRIER, IMPEDIMENT, LOCK.
—the Bars The Confederate flag.
—v.t. barred, bar·ring
1. To fasten, lock, or secure with or as with a bar.
2. To confine or shut out with or as with bars.
3. To obstruct or hinder: to bar the way.
4. To exclude or except.
5. To mark with bars. See synonyms under HINDER, OBSTRUCT.
—prep. Barring; excepting: bar none. [<OF barre <LL barra bar]
BARS IN MUSIC (def. 8)
a. Single, b. Double.

(bär) noun
The cgs international unit of pressure, equal to 1,000,000 dynes a square centimeter or a pressure of 29.531 inches of mercury at 32° F. and in latitude 45°: sometimes incorrectly called barye. [<Gk. baros weight]