• di‧splay [countable]
• 1

  objects

   an arrangement of things for people to look at or buy
• display of
• a superb display of African masks
• a dazzling display (=very good display) of flowers
• The window display caught her eye.
•  display cases containing old photographs
• 2

  entertainment

   a public performance of something that is intended to entertain people:
• a fireworks display
• display of
• a display of juggling
• 3

  on display

• a) something that is on display is in a public place where people can look at it [= on show]:
• Mapplethorpe's photographs were first put on display in New York.
• be/go on display
• One of the world's oldest cars has gone on display in Brighton today.
• b) if a quality, feeling, or skill is on display, it is very clear and easy to notice:
• The musical talent on display is extremely impressive.
• 4

  display of affection/emotion/aggression etc

   an occasion when someone clearly shows a particular feeling, attitude, or quality:
• Unprovoked displays of aggression cannot be tolerated.
• 5

  on equipment

   a part of a piece of equipment that shows information, for example a computer screen:
• This time the display flashed a red warning signal.

Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.