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Webster 1913 Edition

Noun.

[Norw., a whirlpool.]

A celebrated whirlpool on the coast of Norway.

Hence:

any large or powerful whirlpool.

Syn. – whirlpool, vortex.

See also: maelstrom and maëlstrom

maelström ‎(plural maelströms)

maelström m ‎(plural maelströms)