Sentence:  According to Linder, one of the rituals of the hunt entailed cutting off the <WSD>shirttail</WSD> of a hunter who shot at and missed a deer. 
Meaning of the word marked with <WSD> tags:  The single or split (then rather plural) bottom part of a shirt, below the waist, especially in the back, which, when not tucked into trousers or other vestment, hangs over the wearer's tail-end, like a tail.