[ mahy-uh-sawr ]
/ ˈmaɪ əˌsɔr /


a large hadrosaur, Maiasaura peeblesorum, that is thought to have cared for its young.
Also mai·a·saur·a [mahy-uh-sawr-uh] /ˌmaɪ əˈsɔr ə/. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Science definitions for maiasaur

[ mī′ə-sôrə ]
maiasaur (ə-sôr′)

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.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.