peristome: Meaning and Definition of
Pronunciation: (per'u-stōm"), [key]
- the one or two circles of small, pointed, toothlike appendages around the orifice of a capsule or urn of mosses, appearing when the lid is removed.
- any of various structures or sets of parts that surround or form the walls of a mouth or mouthlike opening.
- peristome (Thesaurus)