mantuary

plural mantuaries

1. A part of a home specifically reserved for adult male activities, such as drinking beer, playing games and watching TV; often a garage or den.

   In fact, luxury man caves or ‘mantuaries’ are the latest must-have accessory for self-respecting gents.

   2011 November 11, Jenny Bennett, “Beware the caveman: Men are no longer happy to hide away in a shed, now they want their very own bespoke retreat”, in Daily Mail

   2 more examples

   Light up your booze with professional bar lighting from Beyond 7 bubble wall installations to make a more modern mantuary for you and your friends.

   2010, Geoff Case, “Man Cave Must Haves”, in Blitz Weekly, 23 June - 29 June 2010, page 11

   Some academics have called mantuaries the male reaction to female dominance in decisions about décor in the majority of North American households: […]

   2012, “Man Caves”, in International Wood, page 13

   Synonyms: man cave