noun.
The study of the forms of life existing in prehistoric or geologic times, as represented by the fossils of plants, animals, and other organisms.
The Century Dictionary and Cyclopedia
noun.
The science of the former life of the globe; the study of the life of former geologic periods; that branch of biology which treats of fossil organisms, and especially of fossil animals; paleozoölogy and paleobotany. Also called oryctozoölogy.
the GNU version of the Collaborative International Dictionary of English
noun.
The science which treats of the ancient life of the earth, or of fossils which are the remains of such life.