knot /nɔt/ I. n. ［c］ 1. (绳等的)结，(打的)束：loosen/undo/untie a knot 把结解开；make a knot tight 把结打紧；tie a knot in a cord 在绳上打个结；a knot in wood 木头的结 2. 节(航海和流速的单位，海里/小时)：A knot is one sea mile per hour. 每小时1海里称作1节。She can do/make/steam 35 knots. 那艘船的速度为35节。