See (fem.) means "sea" and Bär means "bear". Seebär is usually used together with alt (old): Ein alter Seebär is the German equivalent of "an old tar" or "an old salt". I had great fun drawing this one!
BTW See (masc.) means "lake", as in SchwanenseeSwan Lake. And Meer (neut.) also means "sea" in German. In case you wonder how bodies of water can be masculine, feminine and neuter, you may read what I had to say about the difference between natural and grammatical gender on this blog.
[Source: Wild Things in the German Language: Kindle version | iBook version]
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