v.
 (past part. shown or showed)
    - be, allow, or cause to be visible. 
▸exhibit or produce for inspection.
 ▸present (a film or television programme) on a screen for viewing.
 ▸represent or depict in art.
 ▸
(show oneself or one's face)
 allow oneself to be seen; appear in public.
 ▸
(also show up)
 informal arrive for an appointment or at a gathering.
 - allow (a quality, emotion, or characteristic) to be perceived; display. 
▸accord or treat someone with (a specified quality).
 ▸informal (of a woman) be visibly pregnant.
 - demonstrate or prove. 
▸explain or demonstrate something to.
 ▸conduct or lead:
 show them in, please.
 - N. Amer. finish third or in the first three in a race.
 
n.
     - a spectacle or display.
 - a play or other stage performance, especially a musical. 
▸a light entertainment programme on television or radio.
 ▸an event or competition involving the public display of animals, plants, or products.
 ▸
informal an undertaking, project, or organization:
 I run the show.
 - an outward appearance or display of a quality or feeling. 
▸
(often in phr. for show)
 an outward display intended to give a false impression.
 ▸a ludicrous spectacle:
 don't make a show of yourself.
 - Medicine  a discharge of blood and mucus from the vagina at the onset of labour or menstruation.
 - US & Austral./NZ informal an opportunity or chance.
 
 
  Phrase
  
    - all over the show
 another way of saying all over the place (see all).  - get the show on the road
 informal begin an undertaking or enterprise.  - good 
(or bad or poor)
 show!
 Brit. informal, dated used to express approval (or disapproval or dissatisfaction).  - have something 
(or nothing)
 to show for
 have a (or no) visible result of (one's work or experience).  - on show
 being exhibited.  - show cause
 Law  produce satisfactory grounds for application of (or exemption from) a procedure or penalty.  - show (someone) a clean pair of heels
 informal run away from (someone) extremely fast.  - show someone the door
 dismiss or eject someone.  - show one's hand 
(or cards)
 disclose one's plans.  - show of force
 a demonstration of the forces at one's command and of one's readiness to use them.  - show of hands
 a vote by the raising of hands.  - show one's teeth
 Brit. use one's power or authority in an aggressive or intimidating way.  - show willing
 Brit. display a willingness to help. 
   
  Phrase verbal
  
    - show something forth
 archaic exhibit something.  - show off
 informal boastfully display one's abilities or accomplishments.  - show something off
 display something that is a source of pride.  - show out
 Bridge  reveal that one has no cards of a particular suit.  - show someone round 
(or chiefly N. Amer. around)
 point out interesting features in a place or building to someone.
  - show someone/thing up
  - expose someone or something as being bad or faulty.
 - 
(show someone up)
 informal embarrass or humiliate someone.
 
 
   
  Etymology
  OE scēawian ‘look at, inspect’, from a W. Gmc base meaning ‘look’.