in sing.
1- the back part of something, especially a building or vehicle（尤指建筑物或车辆等的）后部, 后边, 后面; 背部：
the kitchen door at the rear of the house.
位于房子后部的厨房门。
1.1
- the space or position at the back of something or someone后边的空间（或位置）; 后方：
the field at the rear of the church.
教堂后面的旷野。
1.2
- the hindmost part of an army, fleet, or line of people（队列的）后方; 后卫, 后尾部队（或舰队）：
two blue policemen at the rear fell out of the formation.
位于编队后尾的两个忧郁的警察掉了队。
1.3
- （亦作rear end）[count noun] informal a person's buttocks〈非正式〉臀部, 屁股。
短语
bring up the rear
1
- be at the very end of a line of people殿后, 断后。
1.1
- come last in a race or other contest（在赛跑等比赛中）获得最后一名。
take someone in rear
- attack an army from behind从背后袭击部队。
词源
Middle English (first used as a military term)： from Old French rere, based on Latin retro 'back'.
1
- with obj.（一般作be reared）bring up and care for (a child) until they are fully grown, especially in a particular manner or place抚养, 养育; 培养：
Nigel was born and reared in Bath
奈杰尔在巴斯出生并长大成人
I was reared on stories of coal and collieries.
我是伴随着煤与煤矿的故事长大的。
1.1
- (of an animal) care for (its young) until they are fully grown（动物）喂养（幼崽）。
1.2
- breed and raise (animals)饲养（动物）：
the calves are reared for beef.
这些小牛是作为菜牛饲养的。
1.3
- grow or cultivate (plants)栽种, 培植：
as adj., in combination -reared laboratory-reared plantlets.实验室培植的幼苗。
2
- no obj.(of a horse or other animal) raise itself upright on its hind legs（马等动物）用后腿直立：
the horse reared in terror.
马吓得直立起来。
2.1
- with adverbial of place(of a building, mountain, etc.) extend or appear to extend to a great height（建筑、山等）高耸：
houses reared up on either side.
两边房屋高耸。
2.2
- with obj. archaic set (something) upright〈古〉竖起, 使直立。
短语
rear one's head
1
- raise one's head抬起头。
1.1
rear its head
(of an unpleasant matter) emerge; present itself（不受欢迎的事）冒头, 出现, 抬头：elitism is rearing its ugly head again.
精英论又在抬头。
派生词
rearer
noun词源
短语动词
rear up
- (of a person) show anger or irritation; go on the attack（人）发火, 暴跳; 继续攻击：
the press reared up in the wake of the bombings.
飞机轰炸之后新闻界又折腾了一番。