airliner
['trimaran', 'loudspeaker, speaker, speaker unit, loudspeaker system, speaker system', 'tow truck, tow car, wrecker', 'platypus, duckbill, duckbilled platypus, duck-billed platypus, Ornithorhynchus anatinus', 'trailer truck, tractor trailer, trucking rig, rig, articulated lorry, semi', 'microwave, microwave oven', 'rule, ruler']