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Having a white neck: specifying various animals: as, the white -necked raven, Corvus cryp toleveus, a small raven found in western parts of the United States, having the concealed bases of the feathers of the neck fleecy-white; the white-necked or chaplain crow, Corvus scapulatus; the white-necked otary, an Australian eared seal.
The Century Dictionary (Public Domain)