clicker

/ˈklɪkər/
noun
  1. A small device that makes a clicking sound, used for training animals or as a remote control.
    • The dog trainer used a clicker to teach the puppy new tricks.
    • He pressed the clicker to advance the slides during the presentation.
    • She bought a clicker to help with her cat's training.
  2. A person who clicks, especially someone who clicks on online ads or links.
    • The campaign attracted thousands of clickers in the first hour.
    • The website tracks how many clickers visit each page.
    • Advertisers pay for each clicker that follows their link.
  3. A handheld device used to count people or things, often with a button that clicks when pressed.
    • The teacher used a clicker to count how many students were in the room.
    • He clicked his clicker every time a car passed by.
    • At the concert, the staff used clickers to track the crowd size.
Synonyms
What does "clicker" mean? | whatsthatwordmean | whatsthatwordmean