noun

1. any piece of wood, metal, etc. longer than it is wide or thick, often used as a barrier, fastening, lever, etc.
2. 1. an oblong piece or mass of something solid bar of soap, chocolate bar
   2. any of various small metal strips worn to show military or other rank
3. a thing that blocks the way or prevents entrance, departure, or further movement; specif., sandbar
4. anything that hinders or prevents illiteracy is a bar to success
5. a strip, stripe, band, or broad line, as of light or color
6. 1. the railing enclosing the part of a law court where the judges or lawyers sit, or where prisoners are brought to trial
   2. this part of the law court
7. 1. a law court or system of courts
   2. any place of judgment the bar of public opinion
8. 1. lawyers collectively
   2. the legal profession
9. 1. a counter at which alcoholic drinks and sometimes food are served
   2. an establishment or room with such a counter
   3. an article of furniture, often on wheels, from which drinks, etc. are served
10. barre
11. the mouthpiece of a horse's bit, or the part of a horse's mouth into which it is fitted
12. in lace making and other needlework, a loop or tie that connects parts of a pattern
13. Heraldry a horizontal stripe on a shield or bearing
14. Law
    1. the defeat or nullifying of a claim or action
    2. anything that brings this about
15. Music
    1. a vertical line across a staff, dividing it into measures
    2. a measure
    3. double bar
16. Track & Field the horizontal bar used in the high jump or pole vault
17. Zool. either of the ends of the wall of a horse's hoof, curving inward toward the center of the sole

Etymology: ME & OFr barre < ML barra, bar, barrier, prob. < Gaul *barros, the bushy end, akin to Ir bar, branch < IE *bhoros, cut wood < base *bher-, to cut with a sharp tool

transitive verb barred, barring bar′·ring

1. to fasten with or as with a bar
2. to obstruct by means of a bar or bars; shut off; close
3. to oppose, prevent, or forbid, as by legal action
4. to keep out; exclude he was barred from the contest
5. to set aside barring certain possibilities
6. to mark with stripes

noun

1. the basic unit of pressure in the CGS system, equal to the pressure of a force of one million dynes per square centimeter: abbrev. b
2. microbar

Etymology: Ger < Gr baros, weight, akin to barys, heavy: see grave

1. 1. barometer
   2. barometric
2. barrel