
1) Early music group
Found on
https://www.crosswordclues.com/clue/pomerium

The pomerium or pomoerium (Latin, from post and moerium / murum, `wall`), was the sacred boundary of the city of Rome. In legal terms, Rome existed only within the pomerium; everything beyond it was simply territory (ager) belonging to Rome. ==Location and extensions== Tradition maintained that the pomerium was the original line ploughed by Romu.....
Found on
http://en.wikipedia.org/wiki/Pomerium

(from the article `Ars Nova`) ...a number of writers who refer to `Italian Ars Nova,` which is also known as Italian trecento music. The most important theorist of this school was ...
Found on
http://www.britannica.com/eb/a-z/p/92

(from Latin post-moerium, `behind the wall`), in ancient Rome, a sacred open space located just inside the wall surrounding the four hillsthe ... [1 related articles]
Found on
http://www.britannica.com/eb/a-z/p/92

Sacred boundary of the city of Rome within which the wearing of war gear was prohibited.
Found on
http://www.encyclo.co.uk/local/20764

The sacred boundary of any Roman town or city. The public land that lay inside it could not receive the tombs of the dead, temples to foreign gods, or the army except for triumphs. Magistrates with imperium lost it by crossing the boundary.
Found on
http://www.encyclo.co.uk/visitor-contributions.php
No exact match found.