trough trough /ˈtrɔf/

noun

1. () A narrow depression (as in the earth or between ocean waves or in the ocean bed)  ( trough )
   a narrow depression (as in the earth or between ocean waves or in the ocean bed)
     The trough held an abundance of water, providing a lifeline to thirsty animals in the arid desert.
   The trough held an abundance of water, providing a lifeline to thirsty animals in the arid desert.
   
2. () A channel along the eaves or on the roof; collects and carries away rainwater  ( eavestrough [Canadian] , trough , gutter )
   a channel along the eaves or on the roof; collects and carries away rainwater
    The gutter was clogged with leaves and needed to be cleaned
   The gutter was clogged with leaves and needed to be cleaned
   
   
3. A container (usually in a barn or stable) from which cattle or horses feed  ( manger , trough )
   a container (usually in a barn or stable) from which cattle or horses feed
    The pigs gathered around the trough to eat
   The pigs gathered around the trough to eat
   
   
4. A long narrow shallow receptacle  ( trough )
   a long narrow shallow receptacle
   
5. A treasury for government funds  ( public treasury , till , trough )
   a treasury for government funds
   
6. A concave shape with an open top  ( trough , bowl )
   a concave shape with an open top
   

 electric drill electric drill /ɪˈlɛktrɪk dɹɪl/

noun

1. A rotating power drill powered by an electric motor  ( electric drill )
   a rotating power drill powered by an electric motor
    I used the electric drill to create holes for the screws
   I used the electric drill to create holes for the screws
   
   

 ordinary ordinary /ˈɔrdəˌnɛri/

adjective

1. () Not exceptional in any way especially in quality, ability, size or degree  ( ordinary )
   not exceptional in any way especially in quality, ability, size or degree
    Ordinary everyday objects
   ordinary everyday objects
    Ordinary decency
   ordinary decency
    An ordinary day
   an ordinary day
    An ordinary wine
   an ordinary wine
   
2. () Lacking special distinction, rank, or status; commonly encountered  ( ordinary , average )
   lacking special distinction, rank, or status; commonly encountered
    Average people
   average people
    The ordinary (or common) man in the street
   the ordinary (or common) man in the street
   

noun

1. () (law) a judge of a probate court  ( ordinary )
   (law) a judge of a probate court
     The ordinary citizen had a profound impact on his community through acts of kindness.
   The ordinary citizen had a profound impact on his community through acts of kindness.
   
2. () The expected or commonplace condition or situation  ( ordinary )
   the expected or commonplace condition or situation
    Not out of the ordinary
   not out of the ordinary
   
3. (heraldry) any of several conventional figures used on shields  ( ordinary )
   (heraldry) any of several conventional figures used on shields
   
4. An early bicycle with a very large front wheel and small back wheel  ( ordinary , ordinary bicycle )
   an early bicycle with a very large front wheel and small back wheel
   
   
5. A clergyman appointed to prepare condemned prisoners for death  ( ordinary )
   a clergyman appointed to prepare condemned prisoners for death
   

 internal-combustion engine internal-combustion engine /ɪnˌtɜːrnəl kəmˈbʌstʃən ˈɛndʒɪn/

noun

1. A heat engine in which combustion occurs inside the engine rather than in a separate furnace; heat expands a gas that either moves a piston or turns a gas turbine  ( ICE , internal-combustion engine )
   a heat engine in which combustion occurs inside the engine rather than in a separate furnace; heat expands a gas that either moves a piston or turns a gas turbine