Dictionary

A solid, more or less rigid object of metal or wood with a uniform cross-section smaller than its length.

Example: The window was protected by steel bars.

A solid metal object with uniform (round, square, hexagonal, octagonal or rectangular) cross-section; in the US its smallest dimension is 1/4 inch or greater, a piece of thinner material being called a strip.

Example: Ancient Sparta used iron bars instead of handy coins in more valuable alloy, to physically discourage the use of money.

A cuboid piece of any solid commodity.

Example: bar of chocolate

A broad shaft, or band, or stripe.

Example: a bar of colour

To obstruct the passage of (someone or something).

Example: Our way was barred by a huge rockfall.

To prohibit.

Example: I couldn't get into the nightclub because I had been barred.

To lock or bolt with a bar.

Example: bar the door

To imprint or paint with bars, to stripe.

A non-SI unit of pressure equal to 100,000 pascals, approximately equal to atmospheric pressure at sea level.