from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. a rope used on ship to prevent other lines and riggings tangling with each other
from the GNU version of the Collaborative International Dictionary of English
- n. A rope carried taut between or over obstacles likely to engage or foul the running rigging in working a ship.
from The Century Dictionary and Cyclopedia
- n. Nautical, a rope stretched from one place to another to prevent gear from getting foul; especially, a rope made fast to the stock of the waist-anchor, to keep the tacks and sheets from fouling on the stock.
Probably ultimately based on Old French timon ‘tiller’ + guy. (Wiktionary)