WHIRLPOOL
whirlpool, vortex, maelstrom
(noun) a powerful circular current of water (usually the result of conflicting tides)
eddy, purl, whirlpool, swirl, whirl
(verb) flow in a circular current, of liquids
Source: WordNet® 3.1
Etymology
Noun
whirlpool (plural whirlpools)
A swirling body of water.
A hot tub, jacuzzi.
Turmoil, or agitated excitement.
Verb
whirlpool (third-person singular simple present whirlpools, present participle whirlpooling, simple past and past participle whirlpooled)
(intransitive) To spin or swirl like the water in a whirlpool.
Source: Wiktionary
Whirl"pool`, n.
1. An eddy or vortex of water; a place in a body of water where the
water moves round in a circle so as to produce a depression or cavity
in the center, into which floating objects may be drawn; any body of
water having a more or less circular motion caused by its flowing in
an irregular channel, by the coming together of opposing currents, or
the like.
2. A sea monster of the whale kind. [Obs.] Spenser.
The Indian Sea breedeth the most and the biggest fishes that are;
among which the whales and whirlpools, called "balænæ," take up in
length as much as four . . . arpents of land. Holland.
Source: Webster’s Unabridged Dictionary 1913 Edition