knot

名词 knot:

1. a tight cluster of people or things
2. any of various fastenings formed by looping and tying a rope (or cord) upon itself or to another rope or to another object
3. a hard cross-grained round piece of wood in a board where a branch emerged
4. something twisted and tight and swollen
   同义词：gnarl
5. a unit of length used in navigation; equivalent to the distance spanned by one minute of arc in latitude; 1,852 meters
   同义词：nautical mile, mile, mi, naut mi, international nautical mile, air mile
6. soft lump or unevenness in a yarn; either an imperfection or created by design
   同义词：slub, burl
7. a sandpiper that breeds in the arctic and winters in the southern hemisphere
   同义词：greyback, grayback, Calidris canutus

动词 knot:

1. make into knots; make knots out of
2. tie or fasten into a knot
3. tangle or complicate
   同义词：ravel, tangle

1. You need a sharp knife to cut through the knot.
   你需用快刀才能把结切断。
2. This knot keeps loosening.
   这个结老松开。
3. My dead fingers could not untie the knot.
   我的手指麻木了，解不开结。
4. The knot was fastened in such a way that it was impossible to undo.
   这个结系得那麽紧，根本解不开。
5. There is a knot in the board.
   这块木板上有个结。
6. He knotted a towel about his neck.
   他把毛巾系在脖子上。

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]