Saving or holding a seat/place for someone, for example by leaving something on it or reserving a spot.
お花見の時間に間に合うように、朝早くから席取りをした。
To make it in time for the cherry-blossom viewing, we saved a spot early in the morning.
映画館で友達のために席取りをしておいてくれない？
Could you save seats at the cinema for our friends?
教室の前の席取りは毎年新入生の恒例行事だ。
Saving seats at the front of the classroom is an annual tradition for new students.
長時間席取りするのはマナーに注意しよう。
Be mindful of manners when saving a seat for a long time.