whirlpool

US /ˈwɝːl.puːl/
UK /ˈwɝːl.puːl/
"whirlpool" picture
1.

a rapidly rotating mass of water in a river or sea into which objects may be drawn

:
The boat was caught in a dangerous whirlpool.
Avoid swimming near the rocks where the whirlpool forms.
2.

a state of intense activity or confusion

:
She was caught in a whirlpool of emotions.
The city was a whirlpool of activity during the festival.