Related Clues:
- Air-pressure meas.
- Tire gauge abbr. in our theme entries
- 23rd of 24 letters
- Tire pressure measure: Abbr.
- Sweater letter, perhaps
- Actress Catherine __-Jones
- Next-to-last letter
- Character in "The Iliad"
- Letter that's not really at the end of the Greek alphabet
- Air-pump letters
- Michelin guide no.?
- Abbr. on a boiler's gauge
- Tire inflation meas.
- Letter after chi
- Tire pressure fig.