English Explanatory Dictionary

brontosaurus

English dictionary entry

Meanings

noun
  1. Any of the genus †Brontosaurus of herbivorous sauropod dinosaurs with whip-like tails, which lived in present-day United States during the Late Jurassic period.

Word forms

brontosaurus brontosauruses brontosauri

Etymology

From New Latin, from Ancient Greek roots; by surface analysis, bronto- + -saurus (“thunder lizard”), according to the notion that its massive size must have made its footsteps shake the ground.

Synonyms

brontosaur thunder lizard
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