bron ‧ to ‧ sau ‧ rus /ˌbrɒntəˈsɔːrəs $ ˌbrɑːn-/ BrE AmE noun [countable]
[ Date: 1800-1900 ; Language: Greek ; Origin: bronte 'thunder' + sauros 'lizard' ]
a large ↑ dinosaur with a small head and a long neck
bron ‧ to ‧ sau ‧ rus /ˌbrɒntəˈsɔːrəs $ ˌbrɑːn-/ BrE AmE noun [countable]
[ Date: 1800-1900 ; Language: Greek ; Origin: bronte 'thunder' + sauros 'lizard' ]
a large ↑ dinosaur with a small head and a long neck
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012