Noun
long meter (uncountable)
(hymnody) A hymn metre characterized by a quatrain of iambic tetrameter, usually having rhyme in the second and fourth lines.
The hymn tune “Old 100th” is written in long meter.
In a long meter hymn, a singer - they call it 'lays out a line.' And then the whole church joins in in repeating that line. And they form a wall of harmony so tight, you can't wedge a pin between it. Maya Angelou