Bible Dictionaries
Rationale

1910 New Catholic Dictionary

(1) An Episcopal humeral, counterpart of the pallium, worn by certain German bishops in the Middle Ages, somewhat like the ephod of the Jewish high-priest.

(2) Episcopal clasp of precious metal ornamented with diamonds worn over chasuble, like the breast ornament of Aaron. Not long nor widely in use.

Bibliography Information
Entry for 'Rationale'. 1910 New Catholic Dictionary. https://www.studylight.org/​dictionaries/​eng/​ncd/​r/rationale.html. 1910.