brontozoum

top

CIDE DICTIONARY

brontozoum, n. [NL., fr. Gr. thunder + animal.].

An extinct animal of large size, known from its three-toed footprints in Mesozoic sandstone. [1913 Webster]

" 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." [1913 Webster]

For further exploring for "brontozoum" in Webster Dictionary Online