noun, plural credos.
1. (often initial capital letter)
the Apostles' creed
or the Nicene Creed.
(often initial capital letter) a musical setting of the creed, usually of the Nicene Creed.
any creed or formula of belief.
1150–1200; Middle English < Latin: literally, I believe; first word of the Apostles' and Nicene Creeds in Latin
3. doctrine, tenet, philosophy.