noun
Specifically a rehearsal where actors move and act on stage, as opposed to a read-through or sitting rehearsal. Common in theater and performance contexts.
今日は初めての立ち稽古だ。
Today is our first on-stage rehearsal.
立ち稽古では、実際の動きを確認する。
In a run-through rehearsal, we check the actual movements.
Compound of 立ち (tachi, 'standing', continuative form of 立つ) + 稽古 (keiko, 'practice, training'). Literally 'standing practice', referring to a rehearsal where performers stand and move as they would in a real performance.