(countable, uncountable, metallurgy) A solid metal object with uniform (round, square, hexagonal, octagonal or rectangular) cross-section; in the US its smallest dimension is.25 inch or greater, a piece of thinner material being called a strip.
(US, law) "the Bar" or "the bar" The bar exam, the legal licensing exam.
(metonymy) A collective term for lawyers or the legal profession; specifically applied to barristers in some countries but including all lawyers in others.
(telecommunications) A bar-shaped symbol that denotes levels of reception, or reception itself.
(music) A vertical line across a musical staff dividing written music into sections, typically of equal durational value.
(farriery) 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 centre of the sole.
(plural) The space between the tusks and grinders in the upper jaw of a horse, in which the bit is placed.