knighthead

knight·head

K0089900 (nīt′hĕd′)n. Either of two timbers rising from the keel of a sailing ship and supporting the inner end of the bowsprit.
[From the fact that it was sometimes decorated with a carving of a man's head.]

knighthead

(ˈnaɪtˌhɛd) n (Nautical Terms) nautical either of a pair of vertical supports for each side of the bowsprit[C18: originally decorated with carvings of knights' heads]