Help Wordnik hunt for a million missing words by backing our Kickstarter!


from The Century Dictionary and Cyclopedia

  • n. The French name of a division of the Jurassic series; the equivalent of the Lower Lias of the English geologists. As typically developed at Semur, in France, it consists of three series, each characterized by a particular species of ammonite.


Sorry, no etymologies found.


Sorry, no example sentences found.


Log in or sign up to get involved in the conversation. It's quick and easy.