'battleground' definitions:

Definition of 'battleground'

(from WordNet)
noun
A region where a battle is being (or has been) fought; "they made a tour of Civil War battlefields" [syn: battlefield, battleground, field of battle, field of honor, field]

Definition of 'battleground'

From: GCIDE
  • battleground \bat"tle*ground\ n. a region where a battle is fought; same as battlefield.
  • Syn: battlefield, field of battle, field. [WordNet 1.5]