DuckCorp Dico

Found one definition

1.                 From English-日本語 (にほんご) FreeDict+WikDict dictionary ver. 2022.11.18:
                   
   
   
                   
                     
   horn //hɔɹn// //hɔːn// //ˈhoːrn// //ˈhoːɻn// //ˈhɒːɹn// <n>
   1. 角 2.
   growth on the heads of certain animals
    3.
   substance
    4.
   any similar real or imaginary projection
    5.
   horn-shaped object
   2. 角笛
   instrument used to signal others
   3. クラクション, ホーン, 警笛, 警音器
   loud alarm, especially on a motor vehicle