Cathedra refers to a large and often elaborately designed chair or throne that symbolizes authority and teaching, typically associated with bishops in a cathedral. This term can also represent the position of leadership and the act of teaching from a place of authority. In the context of abstract expressionism, particularly within Barnett Newman's 'Zip' paintings, cathedra can be interpreted as a metaphorical representation of the artist's powerful and authoritative voice within the realm of color field abstraction.
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