Meaning of guest-rope

guest-rope

Pronunciation: (gest'rōp"), [key]
— n. Naut.
  1. a rope suspended from the side of a vessel or a boom as an object to which other vessels can moor, or to afford a hold for persons in such vessels.
  2. a line sent out from a vessel to a fixed object or a buoy or anchor to help the vessel in warping.
  3. a line, in addition to the towrope, to steady a boat in tow.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.