Word Study
    
                                	echinoderm family |
                                	echinoderm genus |
                                	echinodermal |
                                	echinodermata |
                                	echinodermatous |
                                echinoid
                                	| echinoidea 
                                	| echinops 
                                	| echinozoa 
                                	| echinulate 
                                	| echinus 
                            
        echinoid
CIDE DICTIONARY
echinoid, a. [Echinus + -oid.]. 
                                            
                                         Of or pertaining to the Echinoidea.                                                                                 [1913 Webster]                                                                                                                    
                                                                                    
            For further exploring for "echinoid" in Webster Dictionary Online
        


 
    
 
