Wikipedia:

Barosaurus | barys/βαρυς | saurus/σαυρος

Summary:

pronounced /ˌbærɵˈsɔrəs/ BARR-o-SAWR-əs; meaning 'heavy lizard' was a giant, long-tailed, long-necked, plant-eating dinosaur closely related to the more familiar Diplodocus. Remains have been found in the Morrison Formation from the Upper...  (31 of 2794 words, 3 images)

Link:

http://en.wikipedia.org/wiki/Barosaurus  [cite]

Britannica:

sauropod

Summary:

any member of the dinosaur subgroup Sauropoda, marked by large size, a long neck and tail, a four-legged stance, and a herbivorous diet. These ...  (24 of 103 words)

Link:

http://www.britannica.com/EBchecked/topic/525547/sauropod  [cite]

Merriam-Webster:

sauropod

Summary:

any of a suborder (Sauropoda) of quadrupedal herbivorous saurischian dinosaurs (as a brontosaurus) of the Jurassic and Cretaceous having a long neck ...  (22 of 62 words, 1 etymology, pronunciation)

Link:

http://www.merriam-webster.com/dictionary/sauropod  [cite]

Encarta:

sauropod | sauropods [plural] | sauropodous [adjective]

Summary:

a gigantic plant-eating dinosaur that had a long neck and tail and a small head. Suborder Sauropoda. | relating to the sauropods  (21 of 53 words, 2 senses, 1 etymology, pronunciation)

Link:

http://encarta.msn.com/dictionary 1861701562/definition.html  [cite]

Random House:

sauropod

Summary:

any herbivorous dinosaur of the suborder Sauropoda, from the Jurassic and Cretaceous periods, having a small head, long neck and tail, and five-toed ...  (23 of 41 words, 2 senses, pronunciation)

Link:

http://dictionary.infoplease.com/sauropod  [cite]

Wiktionary:

sauropod | sauropods [plural]

Summary:

A member of the Sauropoda suborder of dinosaurs  (8 of 9 words)

Link:

http://en.wiktionary.org/wiki/sauropod  [cite]