/ kəˈθiːdrəl; NAmE / noun
the main church of a district, under the care of a bishop (= a priest of high rank) :
St Paul's Cathedral
( BrE )
a cathedral city
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WORD ORIGIN
Middle English (as an adjective, the noun being short for cathedral church , the church which contains the bishop's throne ): from late Latin cathedralis , from Latin cathedra seat, from Greek kathedra .