barr
An architectural or structural element with a small cross section in relation to its length; types include a) a horizontal timber connecting two parts of a framework; b) a muntin or mullion dividing a window; c) a piece of lumber used to bolt a door; d) one of the divisions of a grate; e) a rail of a fence that can be moved lengthwise to provide passage; f) a flat iron strip fastening a door, hatch, or shutter; g) a solid iron or steel wrought or rolled section 6 inches or less in width and 0.203 inch or more in thickness, or 6 to 8 inches in width and 0.230 inch or more in thickness; typically smooth surfaced and square, rectangular, or round in section; types include flat bar, reinforcing bar, and various special shapes such as half round, hexagon, oval, round edge flat, and round cornered square. See also bar iron. 2. Anything that blocks access, including a) a railing in a public space, such as a courtroom, that separates the public from those involved in the proceedings; the origin of the phrase “before the bar”; b) a grille that can be lowered over the serving counter in a tavern. See also barroom. 3. A counter where liquor or other refreshments are served; from the bar of snse 2b. 4. Same as barroom. (Bucher, 1996)