noun

• (Southern US, Appalachia, slang) A woodpecker.
• (Southern US, Appalachia) A peckerwood sawmill.
• (US, offensive, slang) 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.