| a large hadrosaur, Maiasaura peeblesorum, that is thought to have cared for its young. |
.mai·a·saur  (mī'ə-sôr') n. An ornithischian herbivorous dinosaur of the genus Maiasaura of the late Cretaceous Period of North America, noted for remains of fossilized nests and juveniles suggesting that the adults cared for their young. [New Latin Māiasaura, good mother lizard, genus name : Greek maia, good mother; see mā-2 in Indo-European roots + New Latin saura, feminine of saurus, lizard (from Greek sauros).] |
| maiasaura (mī'ə-sôr'ə) or maiasaur (mī'ə-sôr'ə) Pronunciation Key
A duck-billed dinosaur of the genus Maiasaura of the late Cretaceous Period of North America. Its remains suggest that the adults lived in herds and cared for their young in large nesting sites. |
əˌsɔr