Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A herbivorous hadrosaurid dinosaur of the genus Maiasaura of the Cretaceous Period. Remains of fossilized nests and juveniles suggest that the adults cared for their young.
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
[New Latin Māiasaura, good mother lizard, genus name : Greek maia, good mother; see mā- in Indo-European roots + New Latin saura, feminine of saurus, lizard (from Greek sauros).]
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