1. In zoology, pertaining to the Protozoa: Protozoic creatures are one-cells eukaryotes and can be parasitic, which feed on organic substances like organic debris or tissues, or they can be free-living.
2. In geology, referring to the remains of the earliest discovered life of the globe: Protozoic organisms included the mollusks, radiates, and protozoans.

"Radiates" are fibers of the articular capsule (sac enclosing a joint) that radiate from the costal cartilages to the anterior surface of the sternum.