a. [f. VERM-ES + -IAN; see VERMI- and -AN.]
1. Of or pertaining to Vermes; characteristic of worms; worm-like.
1878. Bell, Gegenbaurs Comp. Anat., 307. In this point also we can make out an affinity with Vermian larvæ (Actinotrocha).
1888. Rolleston & Jackson, Anim. Life, 578. The types of structure seen in most Vermian classes are very distinct from one another.
1905. Outlook, 28 Oct., 589/2. Human nature is not the same in all ages; it was once simian nature, once vermian, once lower still.
2. Anat. Pertaining or belonging to the vermis of the cerebellum. (In recent Dicts.)