keyhole

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English[edit]

Etymology[edit]

key +‎ hole

Noun[edit]

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Wikipedia

keyhole (plural keyholes)

  1. The hole in a lock where the key is inserted and turns.
  2. (carpentry) A hole or excavation in beams intended to be joined together, to receive the key that fastens them.
  3. (engineering) A mortise for a key or cotter.
  4. (lasers) This word needs a definition. Please help out and add a definition, then remove the text {{rfdef}}.
    laser keyhole welding
    keyhole plasma

Translations[edit]

Derived terms[edit]