nKnighthead(Naut) A bollard timber. See under Bollard.
Century Dictionary and Cyclopedia
nknightheadNautical, a bollardtimber; one of two pieces of timber rising just within the stem, one on each side of the bow sprit, to secure its inner end; also, one of two strong frames of timber which inclose and support the ends of the windlass.
Spray flew about her forward; as the swell got steeper she dipped to the knightheads, and Miguel, running aft, began to use the lead.