(of a fish) represented as erect, with the head upward: a dolphin hauriant.
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How to use hauriant in a sentence
Shell-fish are blazoned erect or upright, the term hauriant being only applicable to fishes with scales and fins.Fictitious & Symbolic Creatures in Art | John Vinycomb
On an escutcheon a herring hauriant; the only instance of this bearing in connection with Yarmouth.