red-breasted merganser, Mergus serrator
['nail', 'promontory, headland, head, foreland', 'coho, cohoe, coho salmon, blue jack, silver salmon, Oncorhynchus kisutch', 'Arabian camel, dromedary, Camelus dromedarius', 'puck, hockey puck', 'rule, ruler', 'pick, plectrum, plectron']