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

nates \na"tes\, n. pl. l., the buttocks.
   1. anat.
      a the buttocks.
      b the two anterior of the four lobes on the dorsal side
          of the midbrain of most mammals; the anterior optic
          lobes.
          1913 webster

   2. zool. the umbones of a bivalve shell.
      1913 webster

[2] : WordNet (r) 2.0

nates
     n : 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, 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
see also:
buttocks 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 

Nates >> N Words
Nates, definition of term: Nates
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