With the installment of Byzantine Emperor Kantakouzenos, The Byzantine Civil War begins. Lasting until 1347, his ascension was questioned by so-call “Pretender”, John V. Losing thousands of men and territory, Kantakouzenos will be allowed to retire to a Monastery (and live out the remainder of his life).
Seen frequently in Heraldry, to “Bell” or if a Crest or Arms are “Belled” - is meant to convey that Bell imagery is used. They can be shown “in movement” or stationary. Religious overtones are NOT always applied.