An artificial grass surface, used for athletic fields.
- ‘There are dozens of venues in London for raves, exhibitions, AstroTurf games and late-night drinking without invading the royal parks.’
- ‘So, he was buying AstroTurf for the company, and he instructed me to get out and put it around all our hotels.’
1960s: from astrodome (sense 1)(where it was first used) + turf.
We take a look at several popular, though confusing, punctuation marks.