Top Definition
Noun: code name for the planned invasion of Great Britain by Nazi Germany in 1940 (German trans: "Unternehmen Seelöwe"); plan defeated by British forces on land, sea and air.
After Goering's Luftwaffe failed to achieve air superiority over Britain, Hitler was forced to cancel Operation Sea Lion.
#invasion #luftwaffe #nazi #operation #raf
by speedog June 22, 2010
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