pororoca
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English[edit]
Etymology[edit]
From a Tupian word meaning great destructive noise.
Noun[edit]
pororoca (plural pororocas)
- A tidal flood, especially at the mouth of the Amazon River, that rushes with a roaring noise into the river and proceeds in one or more waves that often present a very abrupt front of considerable height.
Alternative forms[edit]
- piroróco (obsolete)