ticker meaning and definition

TICKER noun

Definition of ticker (noun)

1. the hollow muscular organ located behind the sternum and between the lungs; its rhythmic contractions move the blood through the body
   • "he stood still, his heart thumping wildly"
   • synonyms: heart, pump
2. a small portable timepiece
   • synonyms: watch
3. a character printer that automatically prints stock quotations on ticker tape
   • synonyms: stock ticker