1. (n.)rear the back of something, as distinguished from the front.
2. rear the space or position at the back of something: Move to the rear of the bus.
3. rear the buttocks; rump.
4. rear the hindmost portion of an army, fleet, etc.
5. (adj.)rear pertaining to or situated at the rear: the rear door.
6. (v.t.)rear to take care of and support up to maturity: to rear a child.
7. rear to breed and raise (livestock).
8. rear to raise by building; erect.
9. rear to raise to an upright position: to rear a ladder.
10. rear to lift or hold up; elevate.
11. (v.i.)rear to rise on the hind legs, as a horse.
12. rear to start up in angry excitement or the like (usu. fol. by up).
13. rear to rise high, as a building or tower.
Etymology: (bef. 900; ME reren, OE ræmacr;ran to raise)
Definition of 'rear'
Princeton's WordNet
1. (noun)rear the back of a military formation or procession "infantrymen were in the rear"
2. (noun)rear, backside, back end the side of an object that is opposite its front "his room was toward the rear of the hotel"
3. (noun)back, rear the part of something that is furthest from the normal viewer "he stood at the back of the stage"; "it was hidden in the rear of the store"
4. (noun)buttocks, nates, arse, butt, backside, bum, buns, can, fundament, hindquarters, hind end, keister, posterior, prat, rear, rear end, rump, stern, seat, tail, tail end, tooshie, tush, bottom, behind, derriere, fanny, ass the fleshy part of the human body that you sit on "he deserves a good kick in the butt"; "are you going to sit on your fanny and do nothing?"
5. (adj)rear, back the side that goes last or is not normally seen "he wrote the date on the back of the photograph"
6. (verb)rear(a), rearward(a) located in or toward the back or rear "the chair's rear legs"; "the rear door of the plane"; "on the rearward side"
7. (verb)rear, rise up stand up on the hind legs, of quadrupeds "The horse reared in terror"
8. (verb)rear, raise, bring up, nurture, parent bring up "raise a family"; "bring up children"
9. (verb)rise, lift, rear rise up "The building rose before them"
10. (verb)rear, erect cause to rise up
11. (verb)raise, erect, rear, set up, put up construct, build, or erect "Raise a barn"