gyratinggerund / present participle Used attributively or predicatively to describe something that is rotating rapidly.
They watched the gyrating wheels of the carnival ride with fascination.
Ils regardaient les roues tourbillonnantes de l'attraction foraine avec fascination.
Gerund form referring to the act or process of rotating.
The sudden gyrating of the helicopter made the passengers uneasy.
Le tourbillonnement soudain de l'hélicoptère a mis les passagers mal à l'aise.