brontozoum Meaning, Definition & Usage

NL., fr. Gr. thunder + animal.

(Paleon.) An extinct animal of large size, known from its three-toed footprints in Mesozoic sandstone. ✍ The tracks made by these reptiles are found eighteen inches in length, and were formerly referred to gigantic birds; but the discovery of large bipedal three-toed dinosaurs has suggested that they were made by those reptiles.