- P.R.O.⇄P.R.O.
Public Record Office (of Great Britain). - P.R.O.⇄PRO(no periods)orP.R.O.
Public Relations Officer.
Ex. Those who get in his way ... end up as small-time P.R.O.s at remote Engineer Corps posts (New Yorker). Churches throughout Surrey were ""gratifyingly packed,"" according to the Archbishop o