[1] : The Collaborative International Dictionary of English v.0.48

posterior \poste"rior\ po^st=e"ri^~er, a. l.
   posterior, compar. of posterus coming after, from post after.
   see post-.
   1. later in time; hence, later in the order of proceeding or
      moving; coming after; -- opposed to prior.
      1913 webster

            hesiod was posterior to homer.        --broome.
      1913 webster

   2. situated behind; hinder; -- opposed to anterior.
      1913 webster

   3. anat. at or toward the caudal extremity; caudal; -- in
      human anatomy often used for dorsal.
      1913 webster

   4. bot. on the side next the axis of inflorescence; -- said
      of an axillary flower. --gray.
      1913 webster
see also:
post- prior anterior dorsal 

[2] : WordNet (r) 2.0

posterior
     adj : at or near the hind end in quadrupeds or toward the spine in
           primates ant: anterior
     n 1: 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?" syn: buttocks, nates,
           arse, butt, backside, bum, buns, can, fundament,
           hindquarters, hind end, keister, prat, rear,
          rear end, rump, stern, seat, tail, tail end,
           tooshie, tush, bottom, behind, derriere, fanny,
           ass
     2: a tooth situated at the back of the mouth syn: back tooth
see also:
anterior buttocks nates arse butt backside 
bum buns can fundament hindquarters 
hind end keister prat rear rear end 
rump stern seat tail tail end 
tooshie tush bottom behind derriere 
fanny ass back tooth 

[3] : Moby Thesaurus II by Grady Ward, 1.0

74 moby thesaurus words for "posterior":
   aft, after, aftermost, afterpart, afterpiece, appendant, arse, ass,
   attendant, back, back door, back seat, back side, backside,
   backward, behind, bottom, breech, bum, butt, buttocks, cadet,
   consecutive, consequent, croup, crupper, derriere, ensuing, flack,
   following, haunches, heel, hind, hind end, hind part, hinder,
   hindermost, hindhand, hindhead, hindmost, junior, later, latter,
   lineal, nates, next, occiput, postern, postpositional,
   postpositive, proximate, puisne, rear, rear end, rearmost,
   rearward, retral, retrograde, reverse, rump, seat, sequacious,
   sequent, sequential, stern, subsequent, succeeding, successive,
   suffixed, tail, tail end, tailpiece, tuchis, younger

Posterior >> P Words
Posterior, definition of term: Posterior
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