ticker

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. A telegraphic instrument that receives news reports and prints them on paper tape.
2. n. Any of various devices that receive and display similar information, such as stock market quotations, electronically.
3. n. Slang A watch.
4. n. Slang The heart.

Century Dictionary and Cyclopedia

1. n. Something which ticks, or makes a slight repeated sound. Specifically— A watch.
2. n. A telegraphic instrument, especially a stock indicator (which see, under indicator).
3. n. A cribbing horse.

Wiktionary

1. n. A measuring or reporting device, particularly one which makes a ticking sound as the measured events occur.
2. n. A stock ticker.
3. n. A news ticker.
4. n. colloquial The heart.

GNU Webster's 1913

1. n. One who, or that which, ticks, or produces a ticking sound, as a watch or clock, a telegraphic sounder, etc.
2. n. A telegraphic receiving instrument that automatically prints off stock quotations (stock ticker), market report, or other news on a paper ribbon or “tape.”
3. n. an electronic instrument receiving information by transmision from a remote source and displaying it in readable fashion, not necessarily on paper tape (e.g. on a video display terminal or moving ribbon of electronically controlled lights).
4. n. colloq. The heart.

WordNet 3.0

1. n. a small portable timepiece
2. n. a character printer that automatically prints stock quotations on ticker tape
3. n. the hollow muscular organ located behind the sternum and between the lungs; its rhythmic contractions move the blood through the body