pater

from WordNet (r) 3.0 (2006)

pater
    n 1: an informal use of the Latin word for father; sometimes
         used by British schoolboys or used facetiously

from Bouvier's Law Dictionary, Revised 6th Ed (1856)

PATER. Father. A term used in making genealogical tables.

from Moby Thesaurus II by Grady Ward, 1.0

19 Moby Thesaurus words for "pater":
      abba, dad, daddy, father, foster father, genitor, governor, old,
      pa, pap, papa, pappy, paterfamilias, patriarch, pop, pops, sire,
      stepfather, the old man

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