Word Study
    Perichondrium
CIDE DICTIONARY
Perichondrium, n. [NL., fr. Gr.  around +  cartilage.]. 
                                            
                                         The membrane of fibrous connective tissue which closely invests cartilage, except where covering articular surfaces.                                                                                 [1913 Webster]                                                                                                                    
                                                                                    OXFORD DICTIONARY
Perichondrium, n.  the membrane enveloping cartilage tissue (except at the joints).
                    Etymology
                        PERI- + Gk khondros cartilage
                                    
            For further exploring for "Perichondrium" in Webster Dictionary Online
        

