synapsid
English
Etymology
From translingual Synapsida, from syn- + Ancient Greek ἁψίς (hapsís, “arch”).
Pronunciation
- Lua error in Module:parameters at line 290: Parameter 1 should be a valid language or etymology language code; the value "UK" is not valid. See WT:LOL and WT:LOL/E. IPA(key): /sɪˈnapsɪd/
Adjective
synapsid (comparative more synapsid, superlative most synapsid)
- 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.
- 1999, Matt Ridley, Genome, Harper Perennial 2000, p. 26:
- 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 2000, p. 26:
Noun
synapsid (plural synapsids)
Synonyms
- mammal-like reptile (dated)
- stem mammal