noun
(Southern US, Appalachia, slang) A woodpecker.
(Southern US, Appalachia) A peckerwood sawmill.
(US, offensive, slang, ethnic slur) A white person, especially a Southerner, or one who is ignorant, rustic, or bigoted.
(prison slang) A white (male) inmate, especially one who is racist or who is a member of a race-based prison gang.