One entry found for brontosaurus.

Main Entry: bron·to·sau·rus
Pronunciation: bränt--sr-s
Variant(s): also bron·to·saur /bränt--s()r/
Function: noun
Etymology: derived from Greek bront "thunder" and Greek sauros "lizard"
: any of several very large four-footed plant-eating dinosaurs

Pronunciation Symbols