peri·stome
| \ ˈper-ə-ˌstōm
\
\
Definition of peristome
1
: the fringe of teeth surrounding the orifice of a moss capsule
2
: the region around the mouth in various invertebrates
Other Words from peristome
peristomial
\
ˌper-ə-ˈstō-mē-əl
\
adjective
\
adjective
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Cite this Entry
“Peristome.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/peristome. Accessed 26 May. 2022.
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More Definitions for peristome
peristome
noun
peri·stome
| \ ˈper-ə-ˌstōm
\
\
Medical Definition of peristome
: the area surrounding the mouth or cytostome of a protozoan
Other Words from peristome
peristomial
\
ˌper-ə-ˈstō-mē-əl
\
adjective
\
adjective
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Time Traveler for peristome
The first known use of peristome was in 1799
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