Formerly, long since, at an earlier time, as in In days of old the whole town turned out to watch the parade. This somewhat archaic idiom dates from about 1400.
Office of Family Planning
Office of Federal Procurement Policy
1. Old French. Old French Office of the Federal Register offer
1. Old Frisian. noun 1. the Frisian language before c1500. Abbreviation: OFris. abbreviation 1. Old Frisian noun 1. the Frisian language up to about 1400 OFris Old Frisian