knob latch

from The Collaborative International Dictionary of English v.0.48
Knob \Knob\, n. [A modification of knop. Cf. {Nob}.]
   1. A hard protuberance; a hard swelling or rising; a bunch; a
      lump; as, a knob in the flesh, or on a bone.
      [1913 Webster]

   2. A knoblike ornament or handle; as, the knob of a lock,
      door, or drawer. --Chaucer.
      [1913 Webster]

   3. A rounded hill or mountain; as, the Pilot Knob. [U. S.]
      --Bartlett.
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   4. (Arch.) See {Knop}.
      [1913 Webster]

   {Knob latch}, a latch which can be operated by turning a
      knob, without using a key.
      [1913 Webster]
    

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