from the GNU version of the Collaborative International Dictionary of English
- n. An extinct genus of reptiles of the Permian period. Called also Protosaurus.
from The Century Dictionary and Cyclopedia
- n. The genus represented by the fossil monitor of Thuringia, which also occurs in the Durham Permian rocks. It was long the earliest known fossil reptile.
Sorry, no etymologies found.
Sorry, no example sentences found.
Wordnik is becoming a not-for-profit! Read our announcement here.