Bar.
A word of various signification in different branches of the practical arts; as
1. (Hydraulic Engineering.) a. A sedimentary deposit in a river, or at the embouchure of one.
b. A boom of logs preventing navigation.
2. (Nautical.) a. A lever used in a capstan. They are inserted like spokes in the capstan-head, and serve to rotate it. The analogous levers in a windlass are handspikes.
b. A flat iron rod securing a hatch.
c. A piece of iron or wood to secure a gun-part.
3. (Machinery.) a. A bar-lathe is one whose shear is a single piece, frequently triangular in section.
b. A large arbor supported between the centers of a lathe, and carrying the cutter by which a cylinder or gun is bored out. A boringbar. See cylinder-borer; boring-machine.
4. (Mining.) a. A drilling or tamping rod.
b. A vein running across a lode.
5. (Weaving, etc.) A drivingbar is a movable operating part in a lace-machine.
A bar-loom is a small-ware loom.
6. (Printing.) a. The portion connected with the handle of a hand printing-press, and acting to depress the platen.
b. The middle, long crosspiece of a printer's chase.
7. (Husbandry.) Shifting rails which are removable from their mortises in the posts are termed bars, and the complete device is a sort of substitute for a fieldgate.
8. (Saddlery.) a. One of the side pieces uniting the pommel and cantle of a saddle-tree.
b. The mouth-piece of a bridle-bit which connects the two checks.
9. (Furnace.) Grate-bars or fire-bars support the fuel, and rest on bearers.
10. The crowbar is an iron lever used in many ways.
11. (Carpentry.) a. A horizontal piece of timber or metal connecting other portions of a framework.
b. A crosswise piece of wood or metal held by staples or bolts, and forming an inside fastening for door or shutter.
c. One of the thin strips of wood forming the divisions of a sash.
12. (Vehicle.) The piece to which the traces are attached; a splinter-bar is permanently attached to the carriage; an equalizing-bar, or evener, is otherwise known as a double-tree, swings on a pivot, and has a single-tree or whiffle-tree at each end.