duck
n.— «As of this week there should be five of the big yellow CL-215 water-skimming air tankers, or “ducks” as they are commonly called, based at the Slave Lake.» —“Fire hazard extreme: be careful!” Lakeside Leader (Slave Lake, Alberta, Canada) May 2, 2006. (source: Double-Tongued Dictionary)
Further reading
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There are lots of creative names for the @, also known in English as the at-sign. In Denmark and Sweden, it’s sometimes called the snabel-a, or “elephant trunk.” In Italian, it’s a chiocciola, or “snail. In Greek...