Apteria \Ap*te"ri*a\, n. pl. [NL. See Aptera.]

(Zool.) Naked spaces between the feathered areas of birds. See Pteryli[ae]. [1913 Webster]

Source: The Collaborative International Dictionary of English v.0.48
 

Apteria \Ap*te"ri*a\, n. pl. [NL. See Aptera.]

(Zo["o]l.) Naked spaces between the feathered areas of birds. See Pteryli[ae].

Source: Webster's Revised Unabridged Dictionary (1913)