from The Century Dictionary.
- noun A large rope or chain used to fasten the midship part of a vessel to a dock or to another vessel, as the bowfast fastens her forward and the stern-fast aft.
from the GNU version of the Collaborative International Dictionary of English.
- noun (Naut.) A large rope to fasten the midship part of a ship to a wharf, or to another vessel.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun nautical A large
ropeto fastenthe midshippart of a ship to a wharfor to another vessel.
from Wiktionary, Creative Commons Attribution/Share-Alike License
breast + fast
_ In nautical Spanish _prois_ or _proiza_ is a breastfast or headfast, that is a large cable for fastening a ship to a wharf or another ship.