from The Century Dictionary.

  • noun A circular disk in a lathe, which can be turned about its center in a vertical plane, so as to bring any one of a number of taper holes of different sizes contained in it in line with the piece to be bored. The end of the piece is exposed at the hole to a boring-tool which is held against it.


Sorry, no etymologies found.


Help support Wordnik (and make this page ad-free) by adopting the word boring-collar.


    Sorry, no example sentences found.


Log in or sign up to get involved in the conversation. It's quick and easy.