aegir

• Nom désignant une vague haute et souvent dangereuse provoquée par un courant de marée, par exemple lors de la rencontre de courants de marée ou dans une embouchure de rivière étroite.

A noun referring to a high, often dangerous wave caused by tidal flow, such as when colliding tidal currents meet or in a narrow estuary.

1. Tidal wave or boreC2formal

   A large, often dangerous wave caused by the meeting of tidal currents or by the flow of a river into a narrow estuary.

   Mascaret

   • The aegir surged up the river, surprising the fishermen.
   • Sailors in the estuary are wary of the sudden aegir.
   • The aegir can reach several feet in height in certain conditions.

   Synonymesboreeagretidal bore