See Also: therapsid(dictionary)

therapsid (iou)



therapsid noun & adjective. E20.
[from mod. Latin Therapsida (see below), from Greek ther animal + (h)apsid-, (h)apsis arch: see -ID3.]
A. noun. A fossil synapsid reptile of the order Therapsida. E20.
b. adjective. Of, pertaining to, or designating this order. E20.