Sentence:  Even a new knife will need to be sharpened, since it has a chisel edge. Finish the job by stroking the blade up and down on what's known as a <WSD>slickem</WSD> stick, which is a piece of planed wood with abrasive cloth attached to it, or a leather strap known as a strop. 
Meaning of the word marked with <WSD> tags:  A piece of wood wrapped in abrasive cloth, used for sharpening blades.