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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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