名詞 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
   同義詞：gnarl
5. a unit of length used in navigation; equivalent to the distance spanned by one minute of arc in latitude; 1,852 meters
   同義詞：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
   同義詞：slub, burl
7. a sandpiper that breeds in the arctic and winters in the southern hemisphere
   同義詞：greyback, grayback, Calidris canutus

動詞 knot:

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

1. You need a sharp knife to cut through the knot.
   你需用快刀才能把結(jié)切斷。
2. This knot keeps loosening.
   這個結(jié)老松開。
3. My dead fingers could not untie the knot.
   我的手指麻木了，解不開結(jié)。
4. The knot was fastened in such a way that it was impossible to undo.
   這個結(jié)系得那麼緊，根本解不開。
5. There is a knot in the board.
   這塊木板上有個結(jié)。
6. He knotted a towel about his neck.
   他把毛巾系在脖子上。

knot

n.（名詞）

A compact intersection of interlaced material, such as cord, ribbon, or rope.
結(jié)：細繩、綢帶或粗繩等材料交織而形成的緊密聯(lián)接
A fastening made by tying together lengths of material, such as rope, in a prescribed way.
打結(jié)：用一種預(yù)定的方法把幾段材料，比如繩子系緊
A decorative bow of ribbon, fabric, or braid.
花結(jié)：用緞帶織物或發(fā)帶打成的裝飾性的結(jié)
A unifying bond, especially a marriage bond.
結(jié)合：一種聯(lián)結(jié)的紐帶，尤指婚姻紐帶
A tight cluster of persons or things:
群：人或物的緊密集合：
例句：
a knot of onlookers.
一群旁觀者

A feeling of tightness:
緊張感：
例句：
a knot of fear in my stomach.
我心中的恐懼

A complex problem.
復(fù)雜的問題

A hard place or lump, especially on a tree, at a point from which a stem or branch grows.
節(jié)瘤，木節(jié)：樹上堅硬的位置或瘤塊，樹莖或樹枝從此處長出
The round, often darker cross section of such a lump as it appears on a piece of cut lumber.Also called node
節(jié)疤：這種突出物的橫截面，呈圓形，比周圍的地方要黑，常常出現(xiàn)在切割好的木材上也作 node
A protuberant growth or swelling in a tissue:
瘤：一個器官組織中凸出的生長物或腫塊：
例句：
a knot in a gland.
腺體腫瘤

A division on a log line used to measure the speed of a ship.
測速繩結(jié)：用來測量船速的計速繩上的一段
Abbr. kn.,kt.A unit of speed, one nautical mile per hour, approximately .85 kilometers (.5 statute miles) per hour.
縮寫 kn.,kt.節(jié)：一種速度單位，每小時海里，大約合每小時.85公里（.5法定海里）
A distance of one nautical mile.
一海里的距離
v.（動詞）
knot.ted,knot.ting,knots
v.tr.（及物動詞）
To tie in or fasten with a knot or knots.
打結(jié)：用一個或多個結(jié)系或捆
To snarl or entangle.
使纏結(jié)或糾纏
To cause to form a knot or knots.
使打一個或多個結(jié)
v.intr.（不及物動詞）
To form a knot or knots.
打一個或多個結(jié)
To become snarled or entangled.
被纏結(jié)或被糾纏

來源：
Middle English
中古英語
from Old English cnotta
源自 古英語 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).
在航海術(shù)語中，knot 是一個速度單位， 而不是一個距離長度單位，這個詞本身就含有.每小時.的意思。因此嚴(yán)格的說法應(yīng)該是：一艘船以0節(jié)的速度航行（而不是每小時0節(jié)）

knot
knot 2

n.（名詞）
Either of two migratory sandpipers(Calidris canutus or C. tenuirostris) that breed in Arctic regions.
紅腹濱鷸：在北極地區(qū)繁殖的兩種遷徙鷸的任一種（紅腹濱鷸 或 大濱鷸）

來源：
Middle English
中古英語
[of Scandinavian origin]
[源于斯堪的納維亞語]