stop watch stop watch /stɑp wɑtʃ/

noun

1. A timepiece that can be started or stopped for exact timing (as of a race)  ( stop watch , stopwatch )
   a timepiece that can be started or stopped for exact timing (as of a race)
   
   

 keelson keelson /ˈkɛlsən/

noun

1. A longitudinal beam connected to the keel of ship to strengthen it  ( keelson )
   a longitudinal beam connected to the keel of ship to strengthen it
    The keelson added extra strength to the ship's structure.
   The keelson added extra strength to the ship's structure.
   
   

 paw paw /ˈpɔ/

noun

1. () A clawed foot of an animal especially a quadruped  ( paw )
   a clawed foot of an animal especially a quadruped
     The cat playfully batted at the string, swiping with its soft paw.
   The cat playfully batted at the string, swiping with its soft paw.
   
   
2. The (prehensile) extremity of the superior limb  ( manus , mitt , paw , hand )
   the (prehensile) extremity of the superior limb
    He had the hands of a surgeon
   he had the hands of a surgeon
    He extended his mitt
   he extended his mitt
   
   

verb

1. () Touch clumsily  ( paw )
   touch clumsily
    The man tried to paw her
   The man tried to paw her
   
2. () Scrape with the paws  ( paw )
   scrape with the paws
    The bear pawed the door
   The bear pawed the door
   

 exercise exercise /ˈɛksɝˌsaɪz/

noun

1. () The activity of exerting your muscles in various ways to keep fit  ( physical exercise , physical exertion , exercising , exercise , workout )
   the activity of exerting your muscles in various ways to keep fit
    The doctor recommended regular exercise
   the doctor recommended regular exercise
    He did some exercising
   he did some exercising
    The physical exertion required by his work kept him fit
   the physical exertion required by his work kept him fit
   
   
2. () The act of using  ( utilisation [British] , employment , exercise , usage , use , utilization )
   the act of using
    He warned against the use of narcotic drugs
   he warned against the use of narcotic drugs
    Skilled in the utilization of computers
   skilled in the utilization of computers
   
3. () A task performed or problem solved in order to develop skill or understanding  ( example , exercise )
   a task performed or problem solved in order to develop skill or understanding
    You must work the examples at the end of each chapter in the textbook
   you must work the examples at the end of each chapter in the textbook
   
4. () Systematic training by multiple repetitions  ( drill , recitation , practice session , exercise , practice )
   systematic training by multiple repetitions
    Practice makes perfect
   practice makes perfect
   
5. An action, often used negatively and without consequences  ( exercise )
   an action, often used negatively and without consequences
    An exercise in futility
   an exercise in futility
    An exercise in cheap talk
   an exercise in cheap talk
   
6. (usually plural) a ceremony that involves processions and speeches  ( exercise )
   (usually plural) a ceremony that involves processions and speeches
    Academic exercises
   academic exercises
   

verb

1. () Put to use  ( exert , exercise )
   put to use
    Exert one's power or influence
   exert one's power or influence
   
2. () Carry out or practice; as of jobs and professions  ( practise , exercise , practice , do )
   carry out or practice; as of jobs and professions
    Practice law
   practice law
   
3. () Do physical exercise  ( exercise , work out )
   do physical exercise
    She works out in the gym every day
   She works out in the gym every day
   
4. () Give a workout to  ( work out , exercise , work )
   give a workout to
    Some parents exercise their infants
   Some parents exercise their infants
    My personal trainer works me hard
   My personal trainer works me hard
    Work one's muscles
   work one's muscles
    This puzzle will exercise your mind
   this puzzle will exercise your mind
   
5. Learn by repetition  ( exercise , practise [Canadian, British] , drill , practice [ N. American] )
   learn by repetition
    We drilled French verbs every day
   We drilled French verbs every day
    Pianists practice scales
   Pianists practice scales