'Billethead' definitions:

Definition of 'Billethead'

From: GCIDE
  • Billethead \Bil"let*head`\ (b[i^]l"l[e^]t*h[e^]d), n. (Naut.) A round piece of timber at the bow or stern of a whaleboat, around which the harpoon line is run out when the whale darts off. [1913 Webster]