brachiosaur(redirected from Brachiosauridae)
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[From New Latin Brāchiosaurus, genus name; see brachiosaurus.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
bra•chi•o•saur(ˈbreɪ ki əˌsɔr, ˈbræk i-)
a sauropod dinosaur of the genus Brachiosaurus, having nostrils on a knob above the eyes and a sloping, massive body, and reaching a length of about 80 ft. (24 m).
[< New Latin Brachiosaurus (1903)]
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