hagdon (plural hagdons)
- One of several species of sea birds of the genus Puffinus, especially, Ardenna gravis (syn. Puffinus gravis, Puffinus major), the great shearwater, and Puffinus stricklandi, the black hagdon or sooty shearwater.
Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.