from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Of or pertaining to a peristome.

from The Century Dictionary and Cyclopedia

  • Surrounding the mouth; adoral in a circular manner; relating to the peristome or oral region; peristomial.


Sorry, no etymologies found.


  • (From Hatschek.) g primitive gut, u primitive mouth, p peristomal pole-cells, i entoderm, e ectoderm, d dorsal side, v ventral side.)

    The Evolution of Man — Volume 1


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