Definitions for cretaceous

Overview of noun cretaceous

The noun cretaceous has 1 senses? (no senses from tagged texts)

1. Cretaceous, Cretaceous period

(from 135 million to 63 million years ago; end of the age of reptiles; appearance of modern insects and flowering plants)

Overview of adj cretaceous

The adj cretaceous has 2 senses? (no senses from tagged texts)

1. cretaceous

(abounding in chalk)

2. Cretaceous

(of or relating to or denoting the third period of the Mesozoic era)