clicker

noun11

1. •
   (US, slang) The remote-control device used to change settings on a television set, VCR, or other electronic equipment.

   • We have a clicker for the TV, one for the VCR, one for the DVD player and another one that does it all.
2. •
   An electronic device used by individual students in the classroom to respond to multiple-choice questions, etc.
3. •
   A signalling device used by military forces. Pressed between thumb and fingers, it makes a small but distinctive click understood by other members of a unit.
4. •
   A small mechanical device that produces a clicking sound, used in dog training.
5. •
   Someone who clicks, for example using a computer mouse.
6. •
   Ellipsis of clicker game.
7. •
   A machine that cuts materials using a steel rule die. The name comes from the sound (click) when the material is cut. May be hand, pneumatic, or hydraulic powered.
8. •
   A person who cuts out the uppers of shoes from pieces of leather using a flexible knife that clicks as it changes direction.
9. •
   (historical) An employee who locks the type in the form to make it ready for printing.
10. •
    (UK, no longer used) Someone who stands by a shop door to invite people to buy; a tout.
11. •
    (no longer used) One who has charge of the work of a companionship.