Definitions for knife-edge
Princeton's WordNet
knife-edge(noun)
a narrow boundary
"he lived on a knife-edge between genius and insanity"
knife edge, cutting edge(noun)
the sharp cutting side of the blade of a knife
Wiktionary
knife-edge(Noun)
A piece of steel sharpened to an acute edge or angle, and resting on a smooth surface, serving as the axis of motion of a pendulum, scale beam, or other piece required to oscillate with the least possible friction.
knife-edge(Noun)
A finely balanced situation that could go either way.
Webster Dictionary
Knife-edge(noun)
a piece of steel sharpened to an acute edge or angle, and resting on a smooth surface, serving as the axis of motion of a pendulum, scale beam, or other piece required to oscillate with the least possible friction
Citation
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