Definition Definition

peristome - Meaning and Examples

Meaning of 'peristome' (Webster Dictionary)

1 . Peristome [ n.]
- The fringe of teeth around the orifice of the capsule of mosses. It consists of 4, 8, 16, 32, or 64 teeth, and may be either single or double.
- The lip, or edge of the aperture, of a spiral shell.
- The membrane surrounding the mouth of an invertebrate animal.