Other forms: battlefields
A battlefield is the ground on which a battle is fought. On the battlefield, a battlefield tour, the old battlefield.
Many are protected sites, since the ground itself is evidence and metal detecting on one without permission is an offence. The figurative use is common, and a political battlefield is wherever the fight is happening.
1nounbattlefieldThe ground on which a battle is fought.
“Poppies grow on the old battlefields of northern France.”
battlefield is a ground.
Battle plus field, from Old French bataille, from Latin battuere, to beat.
From battle + field.
Etymology from Wiktionary, CC BY-SA