Sentence:  Orion hit a rabbit once; but though sore wounded it got to the bury, and, struggling in, the arrow caught the <WSD>side</WSD> of the hole and was drawn out. Indeed, a nail filed sharp is not of much avail as an arrowhead; you must have it barbed, and that was a little beyond our skill. 
Meaning of the word marked with <WSD> tags:  A region in a specified position with respect to something.