cathedral

adj

1. (not-comparable)Relating to the office of a bishop or an archbishop.

noun

1. The principal church serving as the office (and some as place of residence) of an archdiocese's/a diocese's archbishop/bishop which is symbolized by an episcopal throne known as the cathedra.

   “The bishop presided over the ceremony from his seat in the cathedral.”

2. (broadly, informal)A large or important church building.
3. (figuratively)A large, impressive, lofty, and/or important building or place of some other kind.

   “a cathedral of commerce”

4. A large buttressed structure built by certain termites.

name

1. (US, neologism)The mainstream system or establishment in society, regarded as liberal or leftist.

   “The reaction from the Cathedral—the press, the political establishment, and everyone else who shaped acceptable opinion—was quick and unanimous”

   “This is why grown-up men and women in the Cathedral (to use the neoreactionary term for the Establishment) actually believe that the MAGA yahoos of January 6 nearly overthrew the US government.”

   “[Curtis Yarvin] is forthright in his belief that the present order — to his mind, an oligarchy governed by a complex of elite institutions (like this newspaper) that he calls “the Cathedral” — should be overthrown”