ETYM Old Eng. barre, French barre, from Late Lat. barra, W. bar the branch of a tree, bar, baren branch, Gael. and Irish barra bar.
1. A rigid piece of metal.
2. A rod of metal used to obstruct openings.
/>
3. (Usually in the plural) Jail.
4. A counter where one can purchase food or drink.
5. A submerged (or partly submerged) ridge in a river or along a shore.
6. (Law) A railing that encloses the part of the courtroom where the the judges and lawyers sit and the case is tried.
7. A unit of pressure equal to a million dynes per square centimeter.
A unit of pressure equal to 0.99 atmospheres or 14.233 psi.
ETYM The same word as rood. Related to Rood.
1. A long thin implement made of metal or wood.
2. Any rod-shaped bacterium.
3. Visual receptor cell sensitive to dim light; SYN. rod cell, retinal rod.
A type of light-sensitive cell in the retina of most vertebrates. Rods are highly sensitive and provide only black and white vision. They are used when lighting conditions are poor and are the only type of visual cell found in animals active at night.