noun
extinct mammal-like reptiles found inhabiting all continents from the mid Permian to late Triassic
• Syn: ↑order Therapsida
• Hypernyms: ↑animal order
• Member Holonyms: ↑Synapsida, ↑subclass Synapsida
• Member Meronyms:
↑therapsid, ↑protomammal, ↑Chronoperates, ↑genus Chronoperates, ↑Cynodontia, ↑division Cynodontia, ↑Dicynodontia, ↑division Dicynodontia
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\\-sədə\ noun pluralUsage: capitalized
: an order of Reptilia comprising Permian and Triassic reptiles (subclass Synapsida) that are held to be the ancestors of the mammals
Useful english dictionary. 2012.