A lodgement is an

enclave An enclave is a territory (or a small territory apart of a larger one) that is entirely surrounded by the territory of one other state or entity. Enclaves may also exist within territorial waters. ''Enclave'' is sometimes used improperly to deno ...

, taken and defended by

force of arms ''Force of Arms'' (reissued under the title ''A Girl for Joe'') is a 1951 romantic war drama film set in the Italian theater of World War II. It reteamed William Holden and Nancy Olson in the third of their four movies together (''Sunset Boul ...

against determined opposition, made by increasing the size of a bridgehead,

beachhead A beachhead is a temporary line created when a military unit reaches a landing beach by sea and begins to defend the area as other reinforcements arrive. Once a large enough unit is assembled, the invading force can begin advancing inland. The ...

, or airhead into a substantial defended area, at least the rear parts of which are out of direct line of fire. An example is

Operation Overlord Operation Overlord was the codename for the Battle of Normandy, the Allied operation that launched the successful invasion of German-occupied Western Europe during World War II. The operation was launched on 6 June 1944 (D-Day) with the Norm ...

, the establishment of a large-scale lodgement in

Normandy Normandy (; french: link=no, Normandie ; nrf, Normaundie, Nouormandie ; from Old French , plural of ''Normant'', originally from the word for "northman" in several Scandinavian languages) is a geographical and cultural region in Northwestern ...

during

World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the World War II by country, vast majority of the world's countries—including all of the great power ...

References

Military geography {{mil-stub