Longman Dictionary of Contemporary English homepage

Topic: EARTH SCIENCES

Date: 1800-1900
Language: Greek
Origin: deinos 'terrible' + sauros 'lizard'

dinosaur

 noun
     
di‧no‧saur [countable]
1HBAHE one of a group of reptiles that lived millions of years ago
2 informal someone or something that is old-fashioned and no longer effective or suitable for modern times:
lengthy speeches by some of the party's dinosaurs
Definition of dinosaur from the Longman Dictionary of Contemporary English within
the topic EARTH SCIENCES
Word of the Day
The EARTH SCIENCES
Word of the Day is:
terrain

Other related topics