Ark is a generic term which, in the Bible, is applied to two different objects: the one, the refuge in which, according to the Biblical narration, Noe was saved from destruction in the Deluge; the other, a piece of the tabernacle and temple furniture.
The Catholic Encyclopedia
Ark
1 section
Charles G. Herbermann and others (editors)
Transcribed from a dated scan; artifacts may remain. Edition notes
Trans. None. Written in English by the contributors whose signatures close each article., The Catholic Encyclopedia, An International Work of Reference on the Constitution, Doctrine, Discipline, and History of the Catholic Church, in fifteen volumes, 1907. Public domain.