What does "common meter" mean?

A hymn metre characterized by a quatrain of alternating lines of iambic tetrameter and iambic trimeter.

What is a synonym for "common meter"?

Common synonyms include: common measure.

noun

noun ·Rare ·Advanced level

Noun

1
A hymn metre characterized by a quatrain of alternating lines of iambic tetrameter and iambic trimeter. uncountable
"The hymn “Amazing Grace” is in common meter."
2
the usual (iambic) meter of a ballad wordnet

"The hymn “Amazing Grace” is in common meter."