振ふり合あう

godan verb (-u), intransitive verb

touch each other; come into contact

Describes two or more things physically touching or brushing against each other. Often used for body parts, objects, or abstract contact.

• 電でん車しゃの中なかで隣となりの人ひとと肩かたが振ふり合あった。

  My shoulder touched the person next to me on the train.

• 木きの枝えだが風かぜで振ふり合あって音おとを立たてている。

  The tree branches are touching each other in the wind and making noise.