Sentence:  They watched until the younger bull received a second cut, this one on his flank from a point on the brow <WSD>palm</WSD> that would have impaled him if he hadn't jumped out of the way. 
Meaning of the word marked with <WSD> tags:  The broad flattened part of an antler, as of a full-grown fallow deer; so called as resembling the palm of the hand with its protruding fingers.