Etymology: Middle English barre, from Anglo-French, from Vulgar Latin *barra
Date: 12th century
1 a: a straight piece (as of wood or metal) that is longer than it is wide and has any of various uses (as for a lever, support, barrier, or fastening) b: a solid piece or block of material that is longer than it is wide <a bar of gold><a candy bar>c: a usually rigid piece (as of wood or metal) longer than it is wide that is used as a handle or support; especially: a handrail used by ballet dancers to maintain balance while exercising 2: something that obstructs or prevents passage, progress, or action: as a: the destruction of an action or claim in law; also: a plea or objection that effects such destruction b: an intangible or nonphysical impediment c: a submerged or partly submerged bank (as of sand) along a shore or in a river often obstructing navigation 3 a (1): the railing in a courtroom that encloses the place about the judge where prisoners are stationed or where the business of the court is transacted in civil cases (2):court, tribunal(3): a particular system of courts (4): an authority or tribunal that hands down judgment b (1): the barrier in the English Inns of Court that formerly separated the seats of the benchers or readers from the body of the hall occupied by the students (2): the whole body of barristers or lawyers qualified to practice in the courts of any jurisdiction (3): the profession of barrister or lawyer 4: a straight stripe, band, or line much longer than it is wide: as a: one of two or more horizontal stripes on a heraldic shield b: a metal or embroidered strip worn on a usually military uniform especially to indicate rank (as of a company officer) or service 5 a: a counter at which food or especially alcoholic beverages are served b:barroomc:shop 2b 6 a: a vertical line across the musical staff before the initial measure accent b:measure 7: a lace and embroidery joining covered with buttonhole stitch for connecting various parts of the pattern in needlepoint lace and cutwork 8:standard<wants to raise the bar for approving new drugs>