peristome

noun
peri·​stome | \ ˈper-ə-ˌstōm How to pronounce peristome (audio) \

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 How to pronounce peristomial (audio) \ adjective

First Known Use of peristome

1799, in the meaning defined at sense 1

History and Etymology for peristome

New Latin peristoma, from peri- + Greek stoma mouth — more at stomach entry 1

Keep scrolling for more

Learn More about peristome

Statistics for peristome

Last Updated

17 Sep 2019

Look-up Popularity

Time Traveler for peristome

The first known use of peristome was in 1799

See more words from the same year

Keep scrolling for more

More Definitions for peristome

peristome

noun
peri·​stome | \ ˈper-ə-ˌstōm How to pronounce peristome (audio) \

Medical Definition of peristome

: the area surrounding the mouth or cytostome of a protozoan

Other Words from peristome

peristomial \ ˌper-​ə-​ˈstō-​mē-​əl How to pronounce peristomial (audio) \ adjective

Comments on peristome

What made you want to look up peristome? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

a topic to which one constantly reverts

Get Word of the Day daily email!

Test Your Vocabulary

Where in the World? A Quiz

  • peter bruegel tower of babel painting
  • What language does pajama come from?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Syn City

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!