combat noun
ADJ. fierce, mortal | armed, unarmed | close, hand-to-hand | open | single | aerial
VERB + COMBAT be engaged in, be locked in, engage in The troops were locked in hand-to-hand combat. | send sb into
COMBAT + NOUN mission | zone | force, troops, unit | aircraft, vehicle | boots, fatigues, gear, jacket, kit, suit, uniform
PREP. in ~ He was killed in combat. | in ~ with The soldiers are in combat with rebel forces. | ~ against in mortal combat against dragons | ~ between a fierce combat between two champions
You can also check other dicts: combat (English, 中文解释 ), wordnet sense, Collins Definition