mother house

American  

noun

Roman Catholic Church.

1. a convent housing a mother superior of a community of nuns.

2. a self-governing convent having authority over other houses.

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Etymology

Origin of mother house

First recorded in 1665–75

Example Sentences

Times owners the Chandlers, which they dubbed the Mother House, in 1972.

From Los Angeles Times

For “Pelosi in the House,” the documentarian Alexandra Pelosi had what is surely unprecedented access to film her mother, House Speaker Nancy Pelosi.

From New York Times

“This is my beautiful mother,” House said as she displayed the first photo.

From Seattle Times

"Cornelia restored the chapel in the 1860s and it became the mother house and hub of the teaching order she founded, the Society of the Holy Child Jesus," she told the BBC.

From BBC

Hyper-partisanship is something American Selfie’s director Alexandra Pelosi knows well – her mother, House Speaker Nancy Pelosi, is one of the Maga-sphere’s most loathed targets, and a frequent recipient of the president’s Twitter ire.

From The Guardian