Dictionary entry

συστρέφω

G. Abbott-Smith's A Manual Greek Lexicon of the New Testament

συ-στρέφω

[in LXX chiefly for קשׁר;]

1. to twist together: c. acc. rei, Ac 28:3.

2. Pass., of persons, to gather themselves together: Mt 17:22 (WH, R, mg.).†