そろいぶみ

そろいぶみ【揃い踏み】

1 【相撲】 〔三役そろい踏み〕 a ritual stamping of the ground in the ring of the three top ranks below yokozuna (on the last day of a tournament).

2 〔勢ぞろいすること〕 a lineup; (an) appearance together.

～する line up (together); appear together.