Meanings
plural thunder lizards
- informalThe apatosaurus or brontosaurus.
The footprints have already settled one old argument about the Thunder Lizard's habits. Scientists had once argued that the animal's legs could not have supported its tremendous bulk on land and that it was only capable of swimming.
1952, “The Trail of the Thunder Lizard”, in Life, volume 33, number 21, page 67
Synonyms & antonyms
nounhuge quadrupedal herbivorous dinosaur common in North America in the late Jurassic
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
Cite this entry
thunder lizard. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/thunder%20lizard
“thunder lizard.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/thunder%20lizard. Accessed November 2, 2026.
WatkinsX Dictionary, s.v. “thunder lizard,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/thunder%20lizard.
Source: thunder lizard on Wiktionary, CC BY-SA 4.0.