Definition of "pater"

Burlington Bertie's the latest young jayHe rents a swell flat somewhere Kensington wayHe spends the good oof that his pater has madeAlong with the Brandy and Soda Brigade.

1900, Harry B. Norris (lyrics and music), “Burlington Bertie”

Strangled by the wishes of pater / Hoping for the arms of mater / Get to me the sooner or later

1985, Mick Hucknall, Neil Moss (lyrics and music), “Holding Back the Years”, in Picture Book, performed by Simply Red