Definition of diplodocus noun from the Oxford Advanced Learner's Dictionary

 

diplodocus

 noun
noun
BrE BrE//dɪˈplɒdəkəs//
 
; NAmE NAmE//ˈplɑːdəkəs//
 
; BrE BrE//ˌdɪpləˈdəʊkəs//
 
; NAmE NAmE//ˌdɪpləˈdoʊkəs//
 
 
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a very large dinosaur with a long thin neck and tail Word Originmodern Latin, from diplo- ‘double’ + Greek dokos ‘wooden beam’.
See the Oxford Advanced American Dictionary entry: diplodocus