Meeter in a sentence as a noun

...and it was maxing out her meeter, which I think was showing 100 mSv/h, wasn't it?

If your speed meeter is broken and you believe that you are not speeding, but in fact are still speeding, then the situation is clear.

Meeter definitions

noun

a person who is present and participates in a meeting; "he was a regular attender at department meetings"; "the gathering satisfied both organizers and attendees"

See also: attendant attender attendee