knots
knots
noun
A unit of speed, equal to one nautical mile per hour, used for ships and aircraft.
"The ferry travelled at twenty knots."
noun
Fastenings made by tying rope, string, or fabric together or upon itself.
"She tied several knots in the string."
Thesaurus
Synonyms: tangle, ravel, burl, slub, grayback, greyback, Calidris canutus, gnarl
Antonyms: ravel, ravel out, unknot, unpick, unravel, unscramble, untangle