Sentence:  All the time I was stretched out on the infirmary cot I kept looking at the blank walls and seeing the mean, murdering faces of those Southern <WSD>peckerwoods</WSD> when they went after Big Six and the others with their knives. 
Meaning of the word marked with <WSD> tags:  A white person, especially a Southerner, or one who is ignorant, rustic, or bigoted.