[ˈdʌɪnəsɔː], (Noun)

Definitions:
- a fossil reptile of the Mesozoic era, in many species reaching an enormous size
(e.g: experts believe the plant-eating dinosaurs grew to about 35 feet in length)

- a person or thing that is outdated or has become obsolete because of failure to adapt to changing circumstances
(e.g: the software company, not long ago seen as a dinosaur of the tech industry, has in recent months overtaken its younger peers)


Phrases:

Origin:
mid 19th century: from modern Latin dinosaurus, from Greek deinos ‘terrible’ + sauros ‘lizard’