n. pl. ca·the·drae (-drē)
1. A bishop's official chair or throne.
2. The office or see of a bishop.
3. The official chair of an office or a position, as of a professor.
[Middle English, from Latin, chair, from Greek kathedrā : kat-, kata-, cata- + hedrā, seat; see sed- in the Appendix of Indo-European roots.]
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