Gazebo
A gazebo is a small open structure. They are usually found in public parks or gardens, and before the widespread use of the radio were very popular locations for speeches, debates, and local musicians.
Thanks to a 1994 Knights Of The Dinner Table story, reportedly based on true events, a gazebo is also some kind of creature in tabletop gaming culture which is completely mysterious although the most knowledgeable seem to recall its big and probably very dangerous and is one of those specialty monsters DM's rarely use. In the comic the main cast are described the garden their characters enter, although thanks to their low real-life WIS and lack of real world awareness they believe the "gazebo" is some kind of monster to the frustration of their GM.