Definition of grayback

  1. 1 :  a Confederate soldier

  2. 2 :  any of various animals: such as a :  gray whale b :  3knot c :  dowitcher d :  scaup duck e :  body louse f :  lake herring

  3. 3 dialectal a :  a very large wave b :  a large boulder

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capable of being understood in two ways

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