the easternmost projection of the African continent, so named because it resembles a rhinoceros horn; once called Regio Aromatica because of spices grown there; bordered on the north by the Gulf of Aden and on the southeast by the Indian Ocean; nation of Somalia occupies the whole coastal area of the horn; Ethiopia lies inland; tiny nation of Djibouti lies at northern end, while coast of Kenya is at southern extremity; in ancient Egypt the area was known as Land of Punt and was referred to by ancient writers, including Herodotus.