ptilopaedic
/ˌtʌɪlə(ʊ)ˈpiːdɪk/(also ptilopedic) Ornithology rare
adjective
Of a bird: hatched with a complete covering of down. Contrasted with psilopaedic.
Origin
Late 19th century; earliest use found in Elliott Coues (1842–1889), naturalist and historian. From ptilo- + ancient Greek παιδ-, παῖς child + -ic, after scientific Latin ptilopaedes.
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