pater

(from the article `Mithraism`) ...were organized in seven grades: corax, Raven; nymphus, Bridegroom; miles, Soldier; leo, Lion; Perses, Persian; heliodromus, Courier of (and to) ... In the Mithraic ceremonies, there were seven degrees of initiations: Corax (Raven), Nymphus (Bridegroom), Miles (Soldier), Leo (Lion), Perses ... [2 rela...
Found on http://www.britannica.com/eb/a-z/p/27

pater

(from the article `parent`) ...This distinction is particularly common in the case of fathers, and to accommodate it anthropologists have developed separate kinship terms: a ...
Found on http://www.britannica.com/eb/a-z/p/27

pater

noun an informal use of the Latin word for father; sometimes used by British schoolboys or used facetiously
Found on https://www.encyclo.co.uk/local/20974

pater

pater Chiefly a British term for “father”.
Found on http://www.wordinfo.info/words/index/info/view_unit/2572/

Pater

Pater is British public school slang for father.
Found on http://www.probertencyclopaedia.com/browse/ZP.HTM
No exact match found