brontosaur Brontops • brontosaurus · · · Info · Definitions · Synonyms · Characters · · brontosaur · · Text Latin · · Script 10 · · Length 4 · · Syllables Definitions · · · (noun) huge quadrupedal herbivorous dinosaur common in North America in the late Jurassic. Synonyms: apatosaur, apatosaurus, brontosaurus, thunder lizard, Apatosaurus excelsus. · · Noun Definition 1 Synonyms · · · apatosaur · · Synonym 1 apatosaurus · · Synonym 2 brontosaurus · · Synonym 3 thunder lizard · · Synonym 4 apatosaurus excelsus · · Synonym 5 Characters · · a latin small letter a U+0061 b latin small letter b U+0062 n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075