( n. )
A genus of large extinct marine reptiles, having a very long neck, a small head, and paddles for swimming. It lived in the Mesozoic age.
( n. )
A genus of large extinct marine reptiles, having a very long neck, a small head, and paddles for swimming. It lived in the Mesozoic age.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012