DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   clock
       n 1: a timepiece that shows the time of day
       v 1: measure the time or duration of an event or action or the
            person who performs an action in a certain period of time;
            "he clocked the runners" [syn: clock, time]