Pronunciation: (mul"tē-too-bûr'kyu-lit, -lāt", -tyoo-, mul"tī-), [key]
a rodentlike mammal of the extinct order Multituberculata, which lived from the late Jurassic Period to the Oligocene Epoch, reaching the size of a woodchuck and having molars with two or three rows of simple pointed cusps.
1. of or pertaining to the multituberculates.
2. having teeth with many simple, pointed cusps.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.