practice meeting; practice session; practice group
A gathering or organized session for practice, often used in sports, music, or other skill-based activities.
There is a tennis practice session next Saturday.
The choir's practice meeting is every Wednesday.
稽古 is used for traditional arts practice (e.g., tea ceremony, martial arts), whereas 練習会 is more general and modern.
Compound of 練習 (practice) and 会 (meeting, gathering).