Plural of battleground; the actual physical locations or territories where battles are fought.
Compound word from 'battle' and 'ground' (from Old English 'grund'). The term can be literal (a field where battle occurs) or metaphorical (a domain of conflict).
Some battlegrounds become sacred historical sites—Gettysburg, for instance, is so preserved because that single 3-day battle in 1863 was a turning point that determined the outcome of the American Civil War!
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