Definition of "cloistered"

Cloistered friars and vestal nuns.

1662, [Samuel Butler], “[The First Part of Hudibras]”, in Hudibras. The First and Second Parts. […], London: […] John Martyn and Henry Herringman, […], published 1678; republished in A[lfred] R[ayney] Waller, editor, Hudibras: Written in the Time of the Late Wars, Cambridge: University Press, 1905

In cloister'd state let selfish sages dwell, / Proud that their heart is narrow as their cell.

1741, William Shenstone, The Judgment of Hercules

[…] “The Vegan” is a less cloistered book, with bigger, more universal themes.

2023 July 9, Alexandra Jacobs, “Grazed and Confused: In ‘The Vegan,’ a Guilty Hedge Funder Eats His Feelings”, in The New York Times‎

both the Greeks and Romans […] had commonly two cloiſtered open Courts, one serving for the Womens ſide, and the other for the Men

1624, Henry Wotton, The Elements of Architecture, […], London: […] Iohn Bill