HEARTBEAT
Set to 4 different clues across 4 published puzzles, most often “Symbol of life” — The New York Times, Tuesday, 19 January 2010.
9 letters
Every clue on record, most used first
- Symbol of lifeonce
The New York Times — Tuesday, 19 January 2010
- Exam measurement unitonce
The New York Times — Thursday, 14 February 2008
- Physical sound?once
The New York Times — Sunday, 11 February 2007
- Pump thumponce
The New York Times — Friday, 5 September 1997