1. the fringe of teeth or other structures surrounding the mouth of a moss capsule
Usage: botany
2. the area around the mouth opening in various organisms such as sea anemones or other invertebrates
Usage: biology

Examples

• The botanist examined the peristomes of the moss specimens under a microscope.
• Different moss species can be identified by the structure of their peristomes.
• The peristomes help control spore dispersal in mosses.
• Marine biologists study the peristomes of sea anemones to understand their feeding mechanisms.
• The peristomes were clearly visible around the mouth of the coral polyp.
• Students learned to identify moss varieties by observing their peristomes.