brain coral
['lemon', 'bathing cap, swimming cap', 'hard disc, hard disk, fixed disk', 'radiator', 'American lobster, Northern lobster, Maine lobster, Homarus americanus', 'platypus, duckbill, duckbilled platypus, duck-billed platypus, Ornithorhynchus anatinus', 'Arabian camel, dromedary, Camelus dromedarius']