What does "battlefield" mean?

The area where a land battle is fought, which may not necessarily be a field.

What is a synonym for "battlefield"?

Common synonyms include: battleground, field, aceldama, arena, battle, battle line.

Pronounced //ˈbætəlˌfiːld//.

/ˈbætəlˌfiːld/ noun

noun ·Uncommon ·College level

Noun

1
The area where a land battle is fought, which may not necessarily be a field.
"The night of the 16th of May found McPherson's command bivouacked from two to six miles west of the battlefield, along the line of the road to Vicksburg"
2
a region where a battle is being (or has been) fought wordnet

"He would still be alive had he refused to go to the battlefield then."

From battle + field.