Cretaceous Meaning

There are 3 meaning(s) for word Cretaceous

Meaning 1 : from 135 million to 63 million years ago; end of the age of reptiles; appearance of modern insects and flowering plants

    Synonyms : cretaceous period
Meaning 2 : abounding in chalk

Meaning 3 : of or relating to or denoting the third period of the Mesozoic era