In anatomy, relating to the vermis of the cerebellum.
Worm-like; of: the nature of a worm; related to worms: of or pertaining to Vermes, in any sense: as, the supposed vermian ancestors of vertebrates.
Word Usage
"In the upper part of the internal occipital crest, a small depression is sometimes distinguishable; it is termed the vermian fossa since it is occupied by part of the vermis of the cerebellum."