"whirlpool" in the noun sense
1. whirlpool, vortex, maelstrom
a powerful circular current of water (usually the result of conflicting tides)
"whirlpool" in the verb sense
1. eddy, purl, whirlpool, swirl, whirl
flow in a circular current, of liquids
Source: WordNet® (An amazing lexical database of English)
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