1. (n.)bar a relatively long, evenly shaped piece of some solid substance, as metal or wood, used as a guard or obstruction or for some mechanical purpose: the bars of a prison.
2. bar an oblongpiece of any solid material: a bar of soap; a candy bar.
3. bar an ingot, lump, or wedge of gold or silver.
1. (noun)barroom, bar, saloon, ginmill, taproom a room or establishment where alcoholic drinks are served over a counter "he drowned his sorrows in whiskey at the bar"
2. (noun)bar a counter where you can obtain food or drink "he bought a hot dog and a coke at the bar"
3. (noun)bar a rigid piece of metal or wood; usually used as a fastening or obstruction or weapon "there were bars in the windows to prevent escape"
4. (noun)measure, bar musical notation for a repeating pattern of musicalbeats "the orchestra omitted the last twelve bars of the song"
5. (noun)bar an obstruction (usually metal) placed at the top of a goal "it was an excellent kick but the ball hit the bar"
6. (noun)prevention, bar the act of preventing "there was no bar against leaving"; "money was allocated to study the cause and prevention of influenza"
7. (noun)bar (meteorology) a unit of pressure equal to a million dynes per square centimeter "unfortunately some writers have used bar for one dyne per square centimeter"
8. (noun)bar a submerged (or partly submerged) ridge in a river or along a shore "the boat ran aground on a submerged bar in the river"
9. (noun)legal profession, bar, legal community the body of individuals qualified to practice law in a particularjurisdiction "he was admitted to the bar in New Jersey"
10. (noun)stripe, streak, bar a narrowmarking of a different color or texture from the background "a green toad with small black stripes or bars"; "may the Stars and Stripes forever wave"
15. (verb)bar (law) a railing that encloses the part of the courtroom where the judges and lawyers sit and the case is tried "spectators were not allowed past the bar"
16. (verb)bar, debar, exclude prevent from entering; keep out "He was barred from membership in the club"
17. (verb)barricade, block, blockade, stop, block off, block up, bar render unsuitable for passage "block the way"; "barricade the streets"; "stop the busy road"
18. (verb)banish, relegate, bar expel, as if by officialdecree "he was banished from his own country"
19. (verb)bar secure with, or as if with, bars "He barred the door"
7. (verb)bar to prevent from entering The police barred the doors.
8. bar to officially forbid; = prohibit to bar newspapers from publishing the story
Definition of 'bar'
Webster Dictionary
1. (noun)bar a piece of wood, metal, or other material, long in proportion to its breadth or thickness, used as a lever and for various other purposes, but especially for a hindrance, obstruction, or fastening; as, the bars of a fence or gate; the bar of a door
2. (noun)bar an indefinite quantity of some substance, so shaped as to be long in proportion to its breadth and thickness; as, a bar of gold or of lead; a bar of soap
3. (noun)bar anything which obstructs, hinders, or prevents; an obstruction; a barrier
4. (noun)bar a bank of sand, gravel, or other matter, esp. at the mouth of a river or harbor, obstructing navigation
12. (noun)bar an ordinary, like a fess but narrower, occupying only one fifthpart of the field
13. (noun)bar a broad shaft, or band, or stripe; as, a bar of light; a bar of color
14. (noun)bar a verticalline across the staff. Barsdivide the staff into spaces which represent measures, and are themselves called measures
15. (noun)bar the space between the tusks and grinders in the upper jaw of a horse, in which the bit is placed
16. (noun)bar the part of the crust of a horse's hoof which is bent inwards towards the frog at the heel on each side, and extends into the center of the sole
19. (noun)bar a gatehouse of a castle or fortified town
20. (noun)bar a slender strip of wood which divides and supports the glass of a window; a sash bar
21. (noun)bar to fasten with a bar; as, to bar a door or gate
22. (noun)bar to restrict or confine, as if by a bar; to hinder; to obstruct; to prevent; to prohibit; as, to bar the entrance of evil; distance bars our intercourse; the statutebars my right; the right is barred by time; a release bars the plaintiff's recovery; -- sometimes with up
23. (noun)bar to except; to exclude by exception
24. (noun)bar to cross with one or more stripes or lines
Definitions of 'bar'
The New Hacker's Dictionary
1. bar 1. [very common] The second
metasyntactic variable,
after foo and before
baz. “Suppose we have two functions: FOO and
BAR. FOO calls BAR....”
1. bar A submerged or emerged embankment of sand, gravel, or mud created on the sea floor in shallow water by waves and currents. A bar may be composed of mollusk shells.
Definitions of bar 
Afrikaans: staaf
Arabic: قَضيب
Bulgarian: пръчка, парче
Brazilian: barra
Czech: tyč(ka), tabulka, mříž, k
German: der Barren, die Stange
Danish: stang; stykke; tremme
Greek: ράβδος, πλάκα
Spanish: barra; tableta; barrote, 
Estonian: kang, tahvel, trell
Farsi: میله؛ تکه
Finnish: tanko
French: barre; tablette; barreau
Hebrew: חֲפִיסָה, מוֹט
Hindi: छड़
Croatian: šipka, pločica
Hungarian: rúd
Indonesian: batangan
Icelandic: aflangt stykki, stöng
Italian: barra; tavoletta; sbarra
Japanese: 棒
Korean: (막대 모양의) 덩어리, 막대
Lithuanian: strypas, lazdelė, (pailga
Latvian: restes
Malay: keping
Dutch: staaf
Norwegian: stang; barre, stykke, (fe
Polish: sztaba
Persian: میله؛ تکه
Pashto: سيخ، ميله (لكه د پنجرې)
Portuguese: barra
Romanian: bară; bucată; lingou
Russian: брусок; плитка; прут
Slovak: tabuľka; mreža
Slovenian: palica, tablica, prečnica
Serbian: poluga
Swedish: tacka, stång, [choklad]ka
Thai: แท่ง
Turkish: çubuk
Taiwanese: 條，棒
Ukrainian: брусок; грати
Urdu: سریا ، سلاخ
Vietnamese: thanh; chấn song
Chinese: 条
