But it is not so with the “pororoca,” that species of eddy which for three days in the height of the syzygies raises the waters of the.    From Wordnik.com.  [Eight Hundred Leagues on the Amazon] Reference

‘pororoca,’ to which the ebbs, the bores, and the eddies of other rivers are but tiny ripples fanned up by the breeze.”.    From Wordnik.com.  [Eight Hundred Leagues on the Amazon] Reference