grind in WordNet English dictionary

1. reduce to small pieces or particles by pounding or abrading
   "grind the spices in a mortar"; "mash the garlic"
   grind  mash  crunch  bray  comminute 
   
2. press or grind with a crushing noise
   crunch  cranch  craunch  grind 
   
3. work hard
   "She was digging away at her math homework"; "Lexicographers drudge all day long"
   labor  labour  toil  fag  travail  grind  drudge  dig  moil 
   
4. make a grating or grinding sound by rubbing together
   "grate one's teeth in anger"
   grate  grind 
   
5. shape or form by grinding
   "grind lenses for glasses and cameras"
   grind 
   
6. created by grinding
   "grind designs into the glass bowl"
   grind 
   
7. dance by rotating the pelvis in an erotically suggestive way, often while in contact with one's partner such that the dancers' legs are interlaced
   grind 
   

1. hard monotonous routine work
   drudgery  plodding  grind  donkeywork 
   
2. an insignificant student who is ridiculed as being affected or boringly studious
   swot  grind  nerd  wonk  dweeb 
   
3. the act of grinding to a powder or dust
   grind  mill  pulverization  pulverisation 
   
4. the grade of particle fineness to which a substance is ground
   "a coarse grind of coffee"
   grind