synapsid en · ADJ
Pronunciation
- /sɪˈnapsɪd/ (UK)
Etymology
From translingual Synapsida, from syn- + Ancient Greek ἁψίς (hapsís, “arch”).
Meanings
-
(not-comparable) Pertaining to the class Synapsida of animals which have an opening low in the skull roof behind each eye, leaving a bony arch beneath each.
We are synapsid tetrapods, a group of reptiles that almost went extinct 200 million years ago in competition with the better-designed dinosaurs.
1999, Matt Ridley, Genome, Harper Perennial, published 2000, page 26: