noun
kakari geiko; attack-and-defend training
A kendo drill where one person attacks continuously while the other receives and responds; emphasizes building spirit, stamina, and correct technique under pressure.
今日の稽古の最後に掛かり稽古を30分やった。
At the end of today's practice we did kakari geiko for 30 minutes.
掛かり稽古は息が上がるほどきついが、とても勉強になる。
Kakari geiko is so intense it leaves you out of breath, but you learn a lot from it.
地稽古 (jigeiko) is free sparring, whereas 掛かり稽古 is a structured drill with designated attacker and defender roles.
From 掛かり (kakari, 'attacking' or 'hanging on') + 稽古 (keiko, 'practice'). The term is specific to Japanese martial arts, especially kendo.