名詞 rear:

1. the back of a military formation or procession
2. the side of an object that is opposite its front
   同義詞：backside, back end
3. the part of something that is furthest from the normal viewer
   同義詞：back
4. the fleshy part of the human body that you sit on
   同義詞：buttocks, nates, arse, butt, backside, bum, buns, can, fundament, hindquarters, hind end, keister, posterior, prat, rear end, rump, stern, seat, tail, tail end, tooshie, tush, bottom, behind, derriere, fanny, ass
5. the side that goes last or is not normally seen
   同義詞：back

動(dòng)詞 rear:

1. stand up on the hind legs, of quadrupeds
   同義詞：rise up
2. bring up
   同義詞：raise, bring up, nurture, parent
3. rise up
   同義詞：rise, lift
4. cause to rise up
   同義詞：erect
5. construct, build, or erect
   同義詞：raise, erect, set up, put up

形容詞 rear:

1. located in or toward the back or rear
   同義詞：rearward

1. The rear door hinges/is hinged at the top so that it opens upwards.
   後面的門(mén)是在頂部鉸接上的，以便可以向上開(kāi)。
2. Reporters intercepted him as he tried to leave by the rear entrance.
   他想從后門(mén)溜走，記者把他截住了。
3. He is so lazy; he could do with a good kick up the rear.
   他這個(gè)人太懶惰，真想在他屁股上踢一腳。
4. I got a flat tire of the rear wheel of my bicycle.
   我自行車(chē)的后輪車(chē)胎沒(méi)氣了。
5. The engine of this bus is in the rear.
   這輛公共汽車(chē)的發(fā)動(dòng)機(jī)在后面。

rear

n.（名詞）
A hind part.
后面，后邊：后邊的部分
The point or area farthest from the front:
后部：遠(yuǎn)離前部的點(diǎn)或地區(qū)：
例句：
the rear of the hall.
大廳的后部

The part of a military deployment usually farthest from the fighting front.
后方：軍事行動(dòng)中常指遠(yuǎn)離前線(xiàn)的地方
Informal The buttocks.
【非正式用語(yǔ)】 臀部
adj.（形容詞）
Of, at, or located in the rear.
后的，后面的：屬于，在或位于后面的

來(lái)源：
Middle English rere [rear of an army]
中古英語(yǔ) rere [軍隊(duì)的后方]
short for rerewarde [rear guard] * see rearward 2
rerewarde的簡(jiǎn)寫(xiě) [殿后的部隊(duì)] *參見(jiàn) rearward2

rear
rear 2

v.（動(dòng)詞）
reared,rear.ing,rears
v.tr.（及物動(dòng)詞）
To care for (children or a child) during the early stages of life; bring up.
撫養(yǎng)：養(yǎng)育照顧年幼的（孩子們或孩子）；培養(yǎng)
To lift upright; raise.
直立起；抬高
To build; erect.See Synonyms at lift
建筑；樹(shù)立參見(jiàn) lift
To tend (growing plants or animals).
培植；飼養(yǎng)：照顧（動(dòng)物或植物）的生長(zhǎng)
v.intr.（不及物動(dòng)詞）
To rise on the hind legs, as a horse.
直立：用后腿，諸如馬，立起來(lái)
To rise high in the air; tower.
高聳：高高地插入空中；聳立

來(lái)源：
Middle English reren [to raise]
中古英語(yǔ) reren [飼養(yǎng)]
from Old English rôran
源自 古英語(yǔ) rôran

【引伸】
rear.er
n.（名詞）