英和和英

名詞

megatheroid (複数形 megatheroids)

1. (paleontology) One of a family of extinct edentates found in America, including the megatherium and the megalonyx, among others.
   • 1851 June 11, The Geelong Advertiser, Victoria, page 1, column 2:

     The more striking phenomena first and most strongly impress the mind, which contrasts for example, the great Cave-Bears of Europe with the actual Brown Bear, the Megatheroids of South America with the small existing sloths, and the gigantic Glyptodons with the Armadillos.