or OLECRANON, in anatomy, the protuberance of the ulna, which prevents the joint of the elbow from being bent back beyond a certain length. See Anatomy, no 50.

Olearius (Adam), minister to the duke of Holstein, and secretary to the embassy sent in 1633 to the great duke of Mulcovy and to the king of Persia. He spent six years in this employment; and, on his return, published a relation of his journeys, with maps and figures, at Sleswig 1656, in folio. He wrote an Abridgement of the chronicles of Holstein from 1448 to 1663: and was appointed librarian to the duke of Holstein, in which capacity he probably died. He has the character of an able mathematician, an adept of music, and a good orientalist, especially in the Persian language.

Olearius (Godfrey), son of Godfrey Olearius, D.D. superintendent of Halle in Saxony, was born there in 1639. He became professor of Greek at Leipzig; and shewed his abilities in that language by 52 exercises on the dominical epistles, and upon those parts of the epistles in the New Testament which are read in the public exercises, and which among the Lutherans are the subject of part of their sermons. He discharged the most important posts in the university, and among other dignities was ten times rector of it. His learning and industry were displayed in 166 theological disputations, 61 in philosophy, some programs upon difficult points, several speeches and theological counsels; which make two thick volumes: beside his Moral Theology, his Introduction to Theology, which treats of cases of conscience, and his Hermeneutica Sacra. He lived to a good old age, dying in 1713. His eldest son of his own name, was a man of genius and learning, a professor in the same university, who published several works, but died young of a consumption before his father.