Hagdon

• (n.) One of several species of sea birds of the genus Puffinus; esp., P. major, the greater shearwarter, and P. Stricklandi, the black hagdon or sooty shearwater; -- called also hagdown, haglin, and hag. See Shearwater.
Found on http://thinkexist.com/dictionary/meaning/hagdon/

Hagdon

Hag'don (hăg'dŏn) noun (Zoology) One of several species of sea birds of the genus Puffinus ; esp., P. major , the greater shearwarter, and P. Stricklandi , the black hagdon or sooty shearwater; -- called also hagdown , haglin , and hag . Se...
Found on http://www.encyclo.co.uk/webster/H/4
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