/ ˈwɜːlpuːl; NAmE ˈwɜːrl-/ noun
1.
a place in a river or the sea where currents of water spin round very fast
SYN eddy : ( figurative )
She felt she was being dragged into a whirlpool of emotion.
2.
(also ˌwhirlpool ˈbath ) a special bath/ bathtub or swimming pool for relaxing in, in which the water moves in circles
—see also Jacuzzi