Related to brachiosaurid: Brachiosauridae
Any of several very large herbivorous sauropod dinosaurs of the family Brachiosauridae of the Jurassic and Cretaceous Periods, having a long neck, small head, and front legs longer than the hind legs. Also called brachiosaur.
[From New Latin Brāchiosauridae, family name, from Brāchiosaurus, type genus; 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.