anchor in WordNet English dictionary

1. a mechanical device that prevents a vessel from moving
   anchor  ground tackle 
   
2. a central cohesive source of support and stability
   "faith is his anchor"; "the keystone of campaign reform was the ban on soft money"; "he is the linchpin of this firm"
   anchor  mainstay  keystone  backbone  linchpin  lynchpin 
   
3. a television reporter who coordinates a broadcast to which several correspondents contribute
   anchor  anchorman  anchorperson 
   

1. secure a vessel with an anchor
   "We anchored at Baltimore"
   anchor  cast anchor  drop anchor 
   
2. fix firmly and stably
   "anchor the lamppost in concrete"
   anchor  ground