amniota
NounOpen English WordNet
Noun (1)
- higher vertebrates (reptiles, birds and mammals) possessing an amnion during developmentType of vertebrate, craniateMember of Vertebrata, subphylum VertebrataMembers amniote
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mundaneadjective
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Webster's Dictionary (1913)
Am′ni·o′ta (…), plural noun
Origin: NL. See Amnion.
Zoology That group of vertebrates which develops in its embryonic life the envelope called the amnion. It comprises the reptiles, the birds, and the mammals.
Webster’s Revised Unabridged Dictionary (1913), from GCIDE 0.54