n.a high wave (often dangerous) caused by tidal flow (as by colliding tidal currents or in a narrow estuary)

同義詞：tidal boreboreeagreeager

1. The aegir caused the river to rise rapidly.
   涌潮使河水迅速上漲。
2. Locals gathered to watch the impressive aegir along the coast.
   當?shù)厝司奂诤０队^看壯觀的涌潮。