chase
     n : the act of pursuing in an effort to overtake or capture;
         "the culprit started to run and the cop took off in
         pursuit" [syn: {pursuit}, {following}]
     v 1: go after with the intent to catch; "The policeman chased the
          mugger down the alley"; "the dog chased the rabbit"
          [syn: {chase after}, {trail}, {tail}, {tag}, {give chase},
           {dog}, {go after}, {track}]
     2: pursue someone sexually or romantically [syn: {chase after}]
     3: cut a groove into; "chase silver"
     4: cut a furrow into a columns [syn: {furrow}, {chamfer}]
Source: WordNet® 2.0