Cath"e*dra (?), n. [L., fr. Gr. seat. See Chair.]

The official chair or throne of a bishop, or of any person in high authority.

Ex cathedra [L., from the chair], in the exercise of one's office; with authority.

The Vatican Council declares that the Pope, is infallible "when he speaks ex cathedra." Addis & Arnold's Cath. Dict.


© Webster 1913.

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