Megatheroid

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Megatheroid \Meg`a*the"roid\, n. [Megatherium + -oid.] (Paleon.)
     One of a family of extinct edentates found in America. The
     family includes the megatherium, the megalonyx, etc.
     [1913 Webster]