an open clash between two opposing groups (or individuals)
"the harder the conflict the more glorious the triumph"--Thomas Paine
"police tried to control the battle between the pro- and anti-abortion mobs"
an energetic attempt to achieve something
"getting through the crowd was a real struggle"
"he fought a battle for recognition"
a hostile meeting of opposing military forces in the course of a war
"Grant won a decisive victory in the battle of Chickamauga"
"he lost his romantic ideas about war when he got into a real engagement"
battle or contend against in or as if in a battle
"The Kurds are combating Iraqi troops in Northern Iraq"
"We must combat the prejudices against other races"
"they battled over the budget"