
Latin, meaning: headband (worn by a priest), insignia.
Found on
http://archives.nd.edu/iii.htm

Latin, meaning: insignia of office, headband, fillet.
Found on
http://archives.nd.edu/iii.htm

• (n.) A sort of fillet worn by dignitaries, priests, and others among the ancient Romans. It was generally white.
Found on
http://thinkexist.com/dictionary/meaning/infula/
In'fu·la noun ;
plural Infule . [ Latin ] A sort of fillet worn by dignitaries, priests, and others among the ancient Romans. It was generally white.
Found on
http://www.encyclo.co.uk/webster/I/57

An infula was originally a Roman sacred fillet, made of wool, worn on the head by priests, victims, and persons who fled to any place for mercy or protection. It was also worn by the emperors and magistrates on solemn occasions. The name was later applied to the head-dress of a Christian priest, and, still later to a pendant ornament at he back of ...
Found on
http://www.probertencyclopaedia.com/browse/PI.HTM

one of the two embroidered lappets of the miter of a bishop.
Found on
https://www.infoplease.com/dictionary/infula

insignia of office.
Found on
https://www.math.ubc.ca/~cass/frivs/latin/latin-dict-full.html
No exact match found.