noun
martial arts area; martial arts practice space
Refers to a designated space for martial arts training, often within a school, gym, or community center. Not a standalone dojo building, but a room or area set aside for budo practice.
学校の武道場で柔道の練習をした。
We practiced judo in the school's martial arts area.
体育館の二階に武道場がある。
There is a martial arts practice space on the second floor of the gymnasium.
Compound of 武道 (budō, 'martial arts') and 場 (jō, 'place' or 'area'). The reading じょう is a standard rendaku form of 場 when used as a suffix.