from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A frame composed of two strong oak timbers (bitt-heads) fixed vertically in the fore part of a ship, bolted to the deck beams to which are secured the cables when the ship rides to anchor
from the GNU version of the Collaborative International Dictionary of English
- n.pl. A frame of two strong timbers fixed perpendicularly in the fore part of a ship, on which to fasten the cables as the ship rides at anchor, or in warping. Other bitts are used for belaying (belaying bitts), for sustaining the windlass (carrick bitts, winch bitts, or windlass bitts), to hold the pawls of the windlass (pawl bitts) etc.
See reference. (Wiktionary)