noun · 2 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
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General-American:/daɪˈplɒdəkəs/
General-American:/dɪˈplɒdəkəs/
Recorded audio is listed in the source snapshot.
1
noun
Meaning 1
Any of several herbivorous sauropod dinosaurs, of the genus Diplodocus, known as fossils from the late Jurassic in North America.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
a huge quadrupedal herbivore with long neck and tail; of late Jurassic in western North America
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Broader terms: dinosaur
History
Etymology
From Ancient Greek διπλόος (diplóos, “double”) + δοκός (dokós, “beam”).
Across languages
Translations
42 source translations are retained for this English entry.
