tower noun
ADJ. high, high-rise, lofty, massive, tall | squat | two-storey, three-storey, etc. They lived in a ten-storey tower in the town centre. | octagonal, round, square | ancient, Gothic, medieval | fortified | twin Twin towers flanked the castle gateway. | ruined | control, lookout, observation, watch (also watchtower) Armed border guards manned the lookout towers. | bell, clock | cooling, water | television | computer | conning | castle, cathedral, church | ivory (figurative) academics sitting in their ivory towers
TOWER + VERB collapse
You can also check other dicts: tower (English, 中文解释 ), wordnet sense, Collins Definition