וְק֣וֹל ׀ כַּנְפֵ֣י הַחַיּ֗וֹת מַשִּׁיקוֹת֙ אִשָּׁ֣ה אֶל־אֲחוֹתָ֔הּ וְק֥וֹל הָאוֹפַנִּ֖ים לְעֻמָּתָ֑ם וְק֖וֹל רַ֥עַשׁ גָּדֽוֹל׃
이는 생물들의 날개가 서로 부딪히는 소리와 생물 곁에 바퀴 소리라 크게 울리는 소리더라
Rashi
touching Heb. מַשִּׁיקוֹת, an expression of kissing (נְשִּׁיקָה). They would knock one against the other, and a song was heard with their knocking, as he said above (1:24): “And I heard the sound of their wings.”