rear Definition

rear¹
noun

1. The back part; the area at the back.
2. Said of an army, fleet, etc: the part which is farthest away from the enemy.
3. A position behind or to the back.
4. colloq
The buttocks.
Thesaurus: buttocks, derrière, rump, bottom, behind, backside, tail (slang), posterior, hindquarters, butt (US slang), buns (US slang).

adj

1. Situated or positioned at the back.

Example: rear window

Idiom: bring up the rear

To come last (in a procession, etc).

Etymology: 17c: see also arrears.

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rear²
verb reared, rearing

1. To feed, care for and educate (children); to bring up (children).

Thesaurus: raise, bring up, foster, parent, nurse, nurture, train, educate, cultivate.
2a. To breed (animals);
2b. To grow (crops).
3. To build or erect something.
intr
4. Said of an animal, especially a horse: to rise up on the hind legs.

Form: rear up (often)
intr
5. Said especially of tall buildings: to reach a great height, especially in relation to surroundings.

Etymology: Anglo-Saxon ræran.