NEOSSOPTILE
Meaning of NEOSSOPTILE in English
ˌnēəˈsäptə̇l, -ˌtīl noun
( -s )
Etymology: Greek neossos young bird + English -ptile
: one of the downy feathers of a newly hatched bird
Webster's New International English Dictionary.
Новый международный словарь английского языка Webster.
2012