Definition of peristomal in English:

peristomal

adjective

Zoology
  • Of or relating to the peristome of an invertebrate; surrounding the mouth, circumoral.

adjective

  • Of or relating to the region around a surgical stoma.

Origin

Mid 19th century; earliest use found in Philosophical Transactions of the Royal Society of London. From peristome + -al<br>1930s; earliest use found in The Lancet. From peri- + stomal.

Pronunciation

peristomal

/pɛrɪˈstəʊml/