Try Our Apps
Dictionary.com

follow Dictionary.com

Fall Head Over Heels...

boring bar

noun
1.
Metalworking. a bar holding a tool for boring a cylinder or the like.
Origin of boring bar
1835-1845
1835-45
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2016.
Cite This Source
Examples from the Web for boring-bar
Historical Examples
  • The boring-bar s, furthermore, has a collar at the top and a nut n at the bottom.

  • This head is also driven by a key which engages a keyway in the boring-bar.

    Turning and Boring Franklin D. Jones
  • In the first operation, boring-bar m is brought in line with the spindle and is entered in bushing r in the chuck.

    Turning and Boring Franklin D. Jones
  • Next, the boring-bar m1 is brought into position, the drill support being swung back out of the way.

    Turning and Boring Franklin D. Jones
  • At the same time, the bore is finished by a cutter in boring-bar D (Fig. 4).

    Turning and Boring Franklin D. Jones
  • The spindle S which drives the boring-bar, and the spindle feeding mechanism, are carried by a saddle.

    Turning and Boring Franklin D. Jones
  • When a hole is to be bored, a boring-bar B1 is inserted in the spindle and the cutter is attached to this bar.

    Turning and Boring Franklin D. Jones

Word of the Day

Difficulty index for boring bar

Few English speakers likely know this word

Word Value for boring

9
12
Scrabble Words With Friends

Nearby words for boring-bar