The Arabic word used here is lawaaqih which is the plural of laqih from laqaha, which means to impregnate or fecundate. In this context, impregnate means that the wind pushes the clouds together increasing the condensation that causes lightning and thus rain. A similar description is found in the following verses of the Qur’an:

The Qur'anic description are absolutely accurate and  agrees perfectly with the modern data on hydrology.

The water cycle is described in several other verses of the Glorious Qur’an,

Including 3:9, 7:57, 13:17, 25:48-49, 36:34, 50:9-11, 56:68-70 and 67:30 and 86:11.