One of the mysteries of the English language finally explained.
1An area in which animals, especially seals, are hunted and killed.
2Military. An area exposed to concentrated fire or bombardment, leading to high numbers of casualties among soldiers operating there. Also (in extended use): any place in which large-scale death or destruction occurs.
Late 19th century. From killing + ground.
killing ground/ˈkɪlɪŋ ɡraʊnd/
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