ˈwȯldˌhȯrn, ˈvältˌ- noun
Etymology: German, from Middle High German walthorn, literally, forest horn, from walt forest (from Old High German wald ) + horn, from Old High German — more at horn
1. : the old valveless hunting horn : natural horn — compare french horn
2. : a pipe-organ reed stop with a tone like that of a natural horn