Loophole

What is Loophole?

Loophole definition and meaning on Dictionary terms:
noun

a small or narrow opening, as in a wall, for looking through, for admitting light and air, or, particularly in a fortification, for the discharge of missiles against an enemy outside.
an opening or aperture.
a means of escape or evasion; a means or opportunity of evading a rule, law, etc.: There are a number of loopholes in the tax laws whereby corporations can save money.