Reference for Chullin 118:11

והרי עז דחרוקות וחלבו אסור

But the horns of the deer<span class="x" onmousemove="('comment',' Heb. , usually translated 'deer'; according to Rashi, however, it cannot be the deer because the deer has certainly forked horns. Possibly the pronghorn antelope is meant. ,urusj ,urusv ,ususj');">⁷</span>

Jastrow