Definition of "Bar" :

noun: the act of preventing

"There was no bar against leaving."

noun: 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."

noun: an obstruction (usually metal) placed at the top of a goal

"It was an excellent kick but the ball hit the bar."

noun: a counter where you can obtain food or drink

"He bought a hot dog and a coke at the bar."

noun: (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."

noun: a heating element in an electric fire

"An electric fire with three bars."

noun: a horizontal rod that serves as a support for gymnasts as they perform exercises

noun: a room or establishment where alcoholic drinks are served over a counter

"He drowned his sorrows in whiskey at the bar."

noun: a portable .30 caliber automatic rifle operated by gas pressure and fed by cartridges from a magazine; used by United States troops in World War I and in World War II and in the Korean War

noun: a block of solid substance (such as soap or wax)

"A bar of chocolate."

noun: a narrow marking of a different color or texture from the background

"A green toad with small black stripes or bars."

noun: musical notation for a repeating pattern of musical beats

"The orchestra omitted the last twelve bars of the song."

noun: the body of individuals qualified to practice law in a particular jurisdiction

"He was admitted to the bar in New Jersey."

noun: a submerged (or partly submerged) ridge in a river or along a shore

"The boat ran aground on a submerged bar in the river."

noun: (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."

verb: prevent from entering; keep out

"He was barred from membership in the club."

verb: secure with, or as if with, bars

"He barred the door."

verb: render unsuitable for passage

"Barricade the streets."

verb: expel, as if by official decree