<p><strong>Noun</strong></p><ul><li>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 cage.</li><li>Synonyms: pole, rod.</li><li>an oblong piece of any solid material: a bar of soap; a candy bar.</li><li>the amount of material in a bar.</li><li>an ingot, lump, or wedge of gold or silver.</li><li>a long ridge of sand, gravel, or other material near or slightly above the surface of the water at or near the mouth of a river or harbor entrance, often constituting an obstruction to navigation.</li><li>Synonyms: sandbar, bank, reef, shoal.</li><li>anything that obstructs, hinders, or impedes; obstacle; barrier: a bar to important legislation.</li><li>Synonyms: stop, deterrent.</li><li>a counter or place where beverages, especially liquors, or light meals are served to customers: a snack bar; a milk bar.</li><li>Synonyms: cocktail lounge, saloon.</li><li>a barroom or tavern.</li><li>(in a home) a counter, small wagon, or similar piece of furniture for serving food or beverages: a breakfast bar.</li><li>the legal profession.</li><li>the practicing members of the legal profession in a given community.</li><li>any tribunal: the bar of public opinion.</li><li>a band or strip: a bar of light.</li><li>a railing in a courtroom separating the general public from the part of the room occupied by the judges, jury, attorneys, etc.</li><li>a crowbar.</li><li>Music. Also called bar line: the line marking the division between two measures of music.</li><li>double bar: the unit of music contained between two bar lines; measure.</li><li>Ballet: barre.</li><li>Law: an objection that nullifies an action or claim.</li><li>a stoppage or defeat of an alleged right of action.</li><li>Typography: a horizontal stroke of a type character, as of an A, H, t, and sometimes e.</li><li>Architecture: (in tracery) a relatively long and slender upright of stone treated as a colonette or molded.</li><li>Building Trades: an iron or steel shape: I-bar.</li><li>a muntin.</li><li>Military: one of a pair of metal or cloth insignia worn by certain commissioned officers.</li><li>bars, the transverse ridges on the roof of the mouth of a horse.</li><li>a space between the molar and canine teeth of a horse into which the bit is fitted.</li><li>(in a bridle) the mouthpiece connecting the cheeks.</li><li>heraldry: a horizontal band, narrower than a fess, that crosses the field of an escutcheon.</li><li>Obsolete: a gateway capable of being barred.</li></ul><p><strong>Verb</strong></p><ul><li>to equip or fasten with a bar or bars: Bar the door before retiring for the night.</li><li>to block by or as if by bars: The police barred the exits in an attempt to prevent the thief's escape.</li><li>Synonyms: barricade, impede, obstruct, deter.</li><li>to prevent or hinder: They barred her entrance to the club.</li><li>Synonyms: impede, obstruct, barricade, deter.</li><li>to exclude or except: He was barred from membership because of his reputation.</li><li>Synonyms: drop.</li><li>to mark with bars, stripes, or bands.</li></ul><p><strong>Preposition</strong></p><ul><li>except; omitting; but: bar none.</li></ul>