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n. - Large extinct scorpion-like arthropod considered related to horseshoe crabs.

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Usage examples (6)
  • My favorite is his drawing of a eurypterid / sea scorpion.
  • This paper, with Hünicken as a coauthor, revises the identity of this fossil as a “bizarre eurypterid”, a water scorpion Eurypterida.
  • What all this summons into my mind, as I continue the path of free association from T.S. Eliot through my eurypterid to Rhyniognatha, is H.P. Lovecraft's splendid...
  • It is the largest known walking trackway of a eurypterid or any invertebrate animal.
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We give special thanks to our LearnThat volunteers, as well as Princeton University and Wiktionary for their Open Source word data. We're also grateful for the support given by Google, Wordnik.com, Dictionary.com, Stands4.com and YouTube, OEDILF.com, Kylescholz.com, Best-Practice.com, Forvo.com, as well as the generous Creative Commons community.