dojo

noun4

1. •
   A training facility, usually led by one or more sensei; a hall or room used for such training.

   • When his teacher moved from the area, Mr. Demura was relocated to another dojo which taught both karate and kendo. — 1971
2. •
   A room or other facility used for other activities, such as meditation or software development.
3. •
   The dojo loach, Japanese weather loach, or pond loach (Misgurnus anguillicaudatus), a freshwater fish native to East Asia.

   • All of us kids used to swim in the stream and fish for dojo, funa, and goby. — 2007
4. •
   Synonym of dohyo (“the ring in which a sumo wrestling match is held”).

   • In this class of truck it’s all about torque, and the Hilux has that in spades. [...] Its traction control stamps the ground with the immovable authority of a sumo wrestler entering the dojo. — 2017