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.
The sign indicating that the characteristic of a logarithm is negative, conventionally placed above the digit(s) to show that it applies to the characteristic only and not to the mantissa.
(metonym, "the Bar", "the bar") Collectively, lawyers or the legal profession; specifically applied to barristers in some countries but including all lawyers in others.
A ridge or succession of ridges of sand or other substance, especially a formation extending across the mouth of a river or harbor or off a beach, and which may obstruct navigation. (FM 55-501).