Word Study
    Peristome
WORDNET DICTIONARY
Noun Peristome has 2 senses
- peristome(n = noun.plant) Array - (botany) fringe of toothlike appendages surrounding the mouth of a moss capsule; Array is a part of capsule
 - peristome(n = noun.animal) Array - region around the mouth in various invertebrates; Array is a part of invertebrate
 
is a kind of enation, plant process
is a kind of anatomical structure, bodily structure, body structure, complex body part, structure
CIDE DICTIONARY
Peristome, n. [Pref. peri- + Gr. , , mouth.]. 
                                            -                                     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. [1913 Webster]
 -                                     The lip, or edge of the aperture, of a spiral shell. [1913 Webster]
 
OXFORD DICTIONARY
Peristome, n.
1 Bot. a fringe of small teeth around the mouth of a capsule in mosses and certain fungi.
2 Zool. the parts surrounding the mouth of various invertebrates.
                    1 Bot. a fringe of small teeth around the mouth of a capsule in mosses and certain fungi.
2 Zool. the parts surrounding the mouth of various invertebrates.
Etymology
                        mod.L peristoma f.  PERI- + Gk stoma mouth
                                    
            For further exploring for "Peristome" in Webster Dictionary Online
        

