noun🔗ShareOne or two rings of tooth-like appendages surrounding the opening of the capsule of many mosses."The tiny, tooth-like peristome around the moss capsule's opening helps it release spores when the air is dry. "biologyplantnatureorganismChat with AIVocabulary GamePractice Reading
noun🔗ShareThe parts of or surrounding the mouths of numerous invertebrates."The scientist carefully examined the snail's peristome to identify its species. "anatomybiologyorganismanimalpartfunctionChat with AIVocabulary GamePractice Reading
noun🔗ShareThe lip, or edge of the aperture, of a spiral shell."The tiny snail's peristome was delicately curved, giving the shell a finished, elegant look. "animalbiologypartChat with AIVocabulary GamePractice Reading
