Synonyms for Ticker (same or very similar meaning)
WordNet sense 1 (the hollow muscular organ located behind the sternum and between the lungs; its rhythmic contractions move the blood through the body):
heart, pump
WordNet sense 2 (a small portable timepiece):
watch
WordNet sense 3 (a character printer that automatically prints stock quotations on ticker tape):
stock ticker
From the ODE community, based on WordNet
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