from The Century Dictionary and Cyclopedia

  • n. A genus of nautiloid cephalopods or orthoceratites, having a straight shell with closely crowded septa in which the funnels are split on one side, the hiatus being closed by a flattened fold extending from one funnel to the next. It is of Lower Silurian age.


Sorry, no etymologies found.


Sorry, no example sentences found.

Wordnik is becoming a not-for-profit! Read our announcement here.


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