ticker

plural tickers

1. One who makes a tick mark.

   A teacher now is a typist, a printer, a laboratory assistant, a designer of work sheets and booklets, a form-filler, a ticker of boxes and a sender of returns to faculty heads, to head teachers, to education authorities and to the Ministers […]

   1992, Parliamentary Debates (Hansard)

2. A measuring or reporting device, particularly one which makes a ticking sound as the measured events occur.

   The ticker was showing an increased rate of flow.

3. A ticker tape, either the traditional paper kind or a scrolling message on a screen.

   To my surprise, the ticker showed that the deal had already gone through.

   1 more example

   I checked the prices on the ticker one last time before placing the trade.

4. slangA heart, especially a human one.

   My ticker gave out and I had to go to the hospital for surgery.

5. slangA watch (timepiece).

   A right nice ticker it was. Real gold.

   2011, Maggie MacKeever, The Tyburn Waltz

6. slangbiologyA birdwatcher who aims to see (and tick off on a list) as many bird species as possible.
7. A beer drinker who aims to try as many different beers as possible and keeps a record of all the beers they have drunk.

   My weekday visit found a great mix of luncheoners, locals and real ale tickers.

   2006, Richard Stedman, The Football and Real Ale Guide 2006-07: Division 1, →ISBN, page 5

   2 more examples

   This book has not been written with the goal of pleasing beer geeks, tickers, fetishists, raters or advocates.

   2015, Max Bahnson, Prague: A Pisshead's Pub Guide, →ISBN, page 5

   Today's tickers are equipped with smartphones with downloaded apps like Untappd. I've seen tickers peruse beer lists for new beers they haven't tried.

   2019, Michael Ian Borer, Vegas Brews: Craft Beer and the Birth of a Local Scene, →ISBN, page 168