Definify.com
Webster 1913 Edition
Loophole
Loop′holeˊ
,Noun.
1.
(Mil.)
A small opening, as in the walls of fortification, or in the bulkhead of a ship, through which small arms or other weapons may be discharged at an enemy.
2.
A hole or aperture that gives a passage, or the means of escape or evasion.
Webster 1828 Edition
Loophole
LOOP'HOLE
, n.1.
A small aperture in the bulk-head and other parts of a merchant ship, through which small arms are fired at an enemy.2.
A hole or aperture that gives a passage.3.
A passage for escape; means of escape.