centre in WordNet English dictionary

1. a building dedicated to a particular activity
   "they were raising money to build a new center for research"
   center  centre 
   
2. a cluster of nerve cells governing a specific bodily process
   "in most people the speech center is in the left hemisphere"
   center  centre  nerve center  nerve centre 
   
3. the choicest or most essential or most vital part of some idea or experience
   "the gist of the prosecutor's argument"; "the heart and soul of the Republican Party"; "the nub of the story"
   kernel  substance  core  center  centre  essence  gist  heart  heart and soul  inwardness  marrow  meat  nub  pith  sum  nitty-gritty 
   
4. the object upon which interest and attention focuses
   "his stories made him the center of the party"
   center  centre  center of attention  centre of attention 
   
5. the sweet central portion of a piece of candy that is enclosed in chocolate or some other covering
   center  centre 
   
6. a point equidistant from the ends of a line or the extremities of a figure
   center  centre  midpoint 
   
7. an area that is approximately central within some larger region
   "it is in the center of town"; "they ran forward into the heart of the struggle"; "they were in the eye of the storm"
   center  centre  middle  heart  eye 
   
8. a place where some particular activity is concentrated
   "they received messages from several centers"
   center  centre 
   

1. direct one's attention on something
   "Please focus on your studies and not on your hobbies"
   concentrate  focus  center  centre  pore  rivet 
   
2. move into the center
   "That vase in the picture is not centered"
   center  centre