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drill bit

noun
  1. bit1(defs 1a, b).
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for drill bit

Historical Examples

  • In the Leyner drill the drill-bit is not connected to the piston, but is struck a quick succession of blows by the latter.

    Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 1

    Various

  • The bottom of the hole is kept clean and the drill-bit cooled by a stream of water passing down through its hollow shank.