1.
a decisive and precarious point at which a situation is finely balanced between different possibilities or outcomes
2.
the cutting edge of the blade of a knife
3.
an object that is sharp, thin, and narrow
4.
a metal wedge whose narrow edge is used as a fulcrum for a scale beam or a lever in a precision instrument
5.
a situation in which success and failure are equally likely
6.
an extremely narrow surface
1.
a decisive and precarious point at which a situation is finely balanced between different possibilities or outcomes
2.
the cutting edge of the blade of a knife
3.
an object that is sharp, thin, and narrow
4.
a metal wedge whose narrow edge is used as a fulcrum for a scale beam or a lever in a precision instrument
5.
a situation in which success and failure are equally likely
6.
an extremely narrow surface