Horn-boga

According to the Old English Dictionary:

an;

horn-boga

m. A bow with the ends curved like a horn or a bow made of horn [?], [cf. Icel. horn-bogi a horn-bow, Cl. and Vig. Dict.] :-- Léton forþ fleógan hildenædran of hornbogan, Judth. 11; Thw. 24, 34; Jud. 222 : Beo. Th. 4866 : B. 2437. Ðǽr hé hornbogan [horn began?] hearde gebendeþ ibi confregit cornua arcuum, Ps. Th. 75, 3. horn-boga