dinosaur

[dahy-nuh-sawr]
noun
1.
any chiefly terrestrial, herbivorous or carnivorous reptile of the extinct orders Saurischia and Ornithischia, from the Mesozoic Era, certain species of which are the largest known land animals.
2.
something that is unwieldy in size, anachronistically outmoded, or unable to adapt to change: The old steel mill was a dinosaur that cost the company millions to operate.

Origin:
< Neo-Latin Dinosaurus (1841), originally a genus name. See dino-, -saur

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To Dinosaur
Collins
World English Dictionary
dinosaur (ˈdaɪnəˌsɔː)
 
n
1.  saurischian See also ornithischian pterosaur Compare plesiosaur any extinct terrestrial reptile of the orders Saurischia and Ornithischia, many of which were of gigantic size and abundant in the Mesozoic era
2.  a person or thing that is considered to be out of date
 
[C19: from New Latin dinosaurus, from Greek deinos fearful + sauros lizard]
 
dino'saurian
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Etymonline
Word Origin & History

dinosaur
1841, coined by Sir Richard Owen, from Gk. deinos "terrible" + sauros "lizard," of unknown origin. Fig. sense of "person or institution not adapting to change" is from 1952.
Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
American Heritage
Science Dictionary
dinosaur  [%PREMIUM_LINK%]     (dī'nə-sôr')  Pronunciation Key 
Any of various extinct reptiles of the orders Saurischia and Ornithischia that flourished during the Mesozoic Era. dinosaurs were carnivorous or herbivorous, dwelled mostly on land, and varied from the size of a small dog to the largest land animals that ever lived. One group of dinosaurs evolved into birds. See more at ornithischian, saurischian. See Note at bird.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Slang Dictionary

dinosaur

n.
1. Any hardware requiring raised flooring and special power. Used especially of old minis and mainframes, in contrast with newer microprocessor-based machines. In a famous quote from the 1988 Unix EXPO, Bill Joy compared the liquid-cooled mainframe in the massive IBM display with a grazing dinosaur "with a truck outside pumping its bodily fluids through it". IBM was not amused. Compare big iron; see also mainframe.
2. [IBM] A very conservative user; a zipperhead.
FOLDOC
Computing Dictionary

dinosaur definition


1. Any hardware requiring raised flooring and special power. Used especially of old minicomputers and mainframes, in contrast with newer microprocessor-based machines.
In a famous quote from the 1988 Unix EXPO, Bill Joy compared the liquid-cooled mainframe in the massive IBM display with a grazing dinosaur "with a truck outside pumping its bodily fluids through it". IBM was not amused.
Compare big iron; see also dinosaurs mating.
2. [IBM] A very conservative user; a zipperhead.
[Jargon File]

The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
Cite This Source
Example sentences
Open the door, get on the floor, everyone do the dinosaur.
There is no shortage of dinosaur encyclopedias available today.
Scientists know how to turn a chicken into a dinosaur.
Scientists have found a dinosaur with shelled eggs in her belly.
Image for Dinosaur
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature
FAVORITES
RECENT

;