1. (noun) (botany) fringe of toothlike appendages surrounding the mouth of a moss capsule

• enation
• plant process

2. (noun) region around the mouth in various invertebrates

• anatomical structure
• bodily structure
• body structure
• complex body part
• structure

1. (noun) (botany) fringe of toothlike appendages surrounding the mouth of a moss capsule

• botany
• phytology