O

It was the course of the English exchequer, as soon as the sheriff entered into and made up his account for issues, amerciaments, etc., to mark upon each head "O. Ni.," which denoted oneratur, nisi habeat suflicientem exoncrationem, and presently he became the king's debtor, and a debet was set. upon his head; whereupon the parties paravaile became debtors to the sheriff, and … [Read more...] about O. NI.

An abbreviation for "Old Style" or "Old Series." … [Read more...] about O. S.

A conventional symbol, of obscure origin, much used in commercial practice and occasionally in Indorsements on legal documents, signifying "correct," "approved," "accepted," "satisfactory," or "assented to." See Getchell & Martin Lumber Co. v. Peterson, 124 Iowa, 599, 100 N. W. 550; Morgan-ton Mfg. Co. v. Ohio River, etc., Ry. Co., 121 N. C. 514, 28 S. B. 474, 61 Am. St. … [Read more...] about O.K.

An attestation or promise to tell the truth or fulfill a pledge, for example, to tell the truth, the whole truth, and nothing but the truth during a legal proceeding and which may include a reference of God as a witness. For a public official, their pledge to serve properly and faithfully perform duties is called an oath of office. An external pledge or asseveration, made in … [Read more...] about OATH

An oath taken by a citizen or one who enters public office where the subject acknowledges a duty of allegiance and swears loyalty to the country or the monarchy and to uphold the constitution and the laws of the land. … [Read more...] about OATH OF ALLEGIANCE