belt noun
1 narrow piece of leather, etc. worn round the waist
ADJ. broad, wide | narrow | thick | studded | cartridge, money, sword | trouser
VERB + BELT buckle, do up, fasten | unbuckle, undo, unfasten | tighten | loosen
BELT + NOUN buckle, loop > Special page at CLOTHES
2 in a machine
ADJ. conveyor, drive, fan
3 area of land
ADJ. wide | narrow, thin | coastal, mountain | corn, cotton, wheat | green, industrial New roads are cutting into the green belt (= open land round a city where building is strictly controlled). | commuter, stockbroker
PREP. ~ of a narrow belt of trees
You can also check other dicts: belt (English, 中文解释 ), wordnet sense, Collins Definition