cornu acutus · 1:56pm Oct 22nd, 2016
"A rare genetic condition afflicting unicorns (and, theoretically, alicorns) in which the tip of the horn comes to a sharp point, rather than the more typical rounded point. While not affecting a unicorn's ability to perform magic, cornu acutus tends to be problematic for the sufferer due to the risk it poses to those nearby, especially spouses, lovers, and pillows.