Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
ground-shaker is a noun meaning "huge herbivorous dinosaur of the Cretaceous found in western North America". It carries one recorded sense.
huge herbivorous dinosaur of the Cretaceous found in western North America
Definitions, synonyms and semantic relations for ground-shaker come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.