Gravity knife

noun

Definitions

Noun
  1. 1
    A type of knife that with the press of a button, allows the blade to drop out of the handle, and then quickly opened up full, for quick use, also allowing it to be flicked open with a flick of the wrist.; A folding knife of this type.
  2. 2
    A type of knife that with the press of a button, allows the blade to drop out of the handle, and then quickly opened up full, for quick use, also allowing it to be flicked open with a flick of the wrist.; A telescoping knife of this type.

Etymology

From gravity + knife. From being a folding knife that could be opened by allowing gravity to draw out the blade.

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