knot

n. 结, 群, 难题
vt. 打结, (使)纠缠
vi. 打结, (使)纠缠
【医】 结
【经】 节(=1海里/时), 海里

动词过去式:knotted 过去分词:knotted 现在分词:knotting 第三人称单数:knots 

knot

n.（名词）


A compact intersection of interlaced material, such as cord, ribbon, or rope.
结：细绳、绸带或粗绳等材料交织而形成的紧密联接
A fastening made by tying together lengths of material, such as rope, in a prescribed way.
打结：用一种预定的方法把几段材料，比如绳子系紧
A decorative bow of ribbon, fabric, or braid.
花结：用缎带织物或发带打成的装饰性的结
A unifying bond, especially a marriage bond.
结合：一种联结的纽带，尤指婚姻纽带
A tight cluster of persons or things:
群：人或物的紧密集合：
例句：
a knot of onlookers.
一群旁观者

A feeling of tightness:
紧张感：
例句：
a knot of fear in my stomach.
我心中的恐惧

A complex problem.
复杂的问题


A hard place or lump, especially on a tree, at a point from which a stem or branch grows.
节瘤，木节：树上坚硬的位置或瘤块，树茎或树枝从此处长出
The round, often darker cross section of such a lump as it appears on a piece of cut lumber.Also called node
节疤：这种突出物的横截面，呈圆形，比周围的地方要黑，常常出现在切割好的木材上也作 node
A protuberant growth or swelling in a tissue:
瘤：一个器官组织中凸出的生长物或肿块：
例句：
a knot in a gland.
腺体肿瘤



A division on a log line used to measure the speed of a ship.
测速绳结：用来测量船速的计速绳上的一段
Abbr. kn.,kt.A unit of speed, one nautical mile per hour, approximately .85 kilometers (.5 statute miles) per hour.
缩写 kn.,kt.节：一种速度单位，每小时海里，大约合每小时.85公里（.5法定海里）
A distance of one nautical mile.
一海里的距离
v.（动词）
knot.ted,knot.ting,knots
v.tr.（及物动词）
To tie in or fasten with a knot or knots.
打结：用一个或多个结系或捆
To snarl or entangle.
使缠结或纠缠
To cause to form a knot or knots.
使打一个或多个结
v.intr.（不及物动词）
To form a knot or knots.
打一个或多个结
To become snarled or entangled.
被缠结或被纠缠

来源：
Middle English
中古英语
from Old English cnotta
源自 古英语 cnotta

In nautical usageknot is a unit of speed, not of distance,and has a built-in meaning of .per hour..Therefore, a ship would strictly be said to travel at ten knots (not ten knots per hour).
在航海术语中，knot 是一个速度单位， 而不是一个距离长度单位，这个词本身就含有.每小时.的意思。因此严格的说法应该是：一艘船以0节的速度航行（而不是每小时0节）

knot
knot 2

n.（名词）
Either of two migratory sandpipers(Calidris canutus or C. tenuirostris) that breed in Arctic regions.
红腹滨鹬：在北极地区繁殖的两种迁徙鹬的任一种（红腹滨鹬 或 大滨鹬）

来源：
Middle English
中古英语
[of Scandinavian origin]
[源于斯堪的纳维亚语]