English noun: synapsid reptile | |||
1. | synapsid reptile (animal) extinct reptile having a single pair of lateral temporal openings in the skull | ||
Synonyms | synapsid | ||
Broader (hypernym) | reptile, reptilian | ||
Narrower (hyponym) | dimetrodon, edaphosaurus, ictodosaur, pelycosaur, protomammal, therapsid | ||