Focus on the pronunciation of knot
English definition of “knot”
/nɒt/ noun [C]
› 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.