名詞 fin:

1. the cardinal number that is the sum of four and one
   同義詞：five, 5, V, cinque, quint, quintet, fivesome, quintuplet, pentad, Phoebe, Little Phoebe
2. one of a pair of decorations projecting above the rear fenders of an automobile
   同義詞：tail fin, tailfin
3. one of a set of parallel slats in a door or window to admit air and reject rain
   同義詞：louver, louvre
4. a shoe for swimming; the paddle-like front is an aid in swimming (especially underwater)
   同義詞：flipper
5. a stabilizer on a ship that resembles the fin of a fish
6. organ of locomotion and balance in fishes and some other aquatic animals

動(dòng)詞 fin:

1. equip (a car) with fins
2. propel oneself through the water in a finning motion
3. show the fins above the water while swimming
   同義詞：break water

1. A feather, wing, fin, or similar appendage.
   羽、翼或鰭狀結(jié)構(gòu)羽、翼、鰭或類似的懸著物
2. A part or an organ, such as an arm, a leg, a tail, or a fin, that is joined to the axis or trunk of a body.
   附器，附肢與身體的軸或軀干相連的部位或器官，如胳膊、腿、尾或鰭
3. The fish's tail fin was hurt.
   這條魚(yú)的尾鰭受傷了。

fin

n.（名詞）
A membranous appendage extending from the body of a fish or other aquatic animal, used for propelling, steering, or balancing the body in the water.
鰭：從魚(yú)類或其他水生動(dòng)物的身體延伸的膜狀附肢，用以在水中推進(jìn)、平衡或引導(dǎo)身體
Something resembling a fin in shape or function, as:
鰭狀物：指外形或功能類似魚(yú)鰭的東西，如：
A fixed or movable airfoil used to stabilize an aircraft, a missile, or a projectile in flight.
安定翼，直尾翅：用以穩(wěn)定飛行中的飛機(jī)、導(dǎo)彈或發(fā)射體的固定式或活動(dòng)式機(jī)翼
A projecting vane used for cooling, as on a radiator or an engine cylinder.
散熱片：如在散熱器或內(nèi)燃機(jī)汽缸上的以供降溫的外伸風(fēng)向標(biāo)
See tail fin
參見(jiàn) tail fin
See flipper
參見(jiàn) flipper
v.（動(dòng)詞）
finned,fin.ning,fins
v.tr.（及物動(dòng)詞）
To equip with fins.
裝上翅片或鰭片
v.intr.（不及物動(dòng)詞）
To emerge with the fins above water.
將鰭露出水面
To swim, as a fish.
游泳：象魚(yú)一樣游泳
To lash the water with the fins. Used of a dying whale.
猛烈地?fù)]動(dòng)鰭：用鰭拍打水，常用于垂死的鯨

來(lái)源：
Middle English
中古英語(yǔ)
from Old English finn
源自 古英語(yǔ) finn

fin
fin 2

n.Slang （名詞）【俚語(yǔ)】
A five-dollar bill.
5美元的鈔票

來(lái)源：
Yiddish finf [five]
意第緒語(yǔ) finf [五]
from Old High German funf, finf * see penk we
源自 古高地德語(yǔ) funf, finf *參見(jiàn) penk we