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English definition of “knot”

knot

noun [C]     /nɒt/
MEASURES a measure of the speed of ships, aircraft, or movements of water and air. One knot is approximately 1.85 kilometres per hour: The flight takes an hour, flying at 140 knots.
tie the knot if two or more companies tie the knot, they join to become one company: The two airline companies finally agreed to tie the knot after last-minute haggling over ownership.
(Definition of knot noun from the Cambridge Business English Dictionary © Cambridge University Press)
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