KanjiJLPT N1
Whirlpool

whirlpool, eddy, vortex

Mnemonic

A storm slams the coast, rattling a giant cookie jar perched on a cliff. The jar tumbles into the sea, and the storm's spiraling winds drag the water around it, creating a monstrous whirlpool that swallows ships whole.
Additional thoughts
The cookie jar's round shape mirrors the circular motion of the whirlpool. The storm provides the raw energy, the jar provides the form—together they birth the inescapable vortex.
Quick recall
A storm knocks a cookie jar into the sea, spawning a deadly whirlpool.

Details

The keyword for 渦 is whirlpool. This kanji refers to a spiraling, circular current of water that draws objects toward its center, as commonly seen in rivers, oceans, or drains. By extension, it can also describe any swirling vortex-like phenomenon, whether physical or metaphorical, such as being caught in a whirlpool of confusion, conflict, or turmoil. The character captures the powerful, inescapable nature of rotating forces that pull things inward.
On'yomi
Kun'yomi
うず

Used in vocab