Useful english dictionary. 2012.
apterial — ap·te·ri·al … English syllables
apterium — apterial, adj. /ap tear ee euhm/, n., pl. apteria / tear ee euh/. Ornith. one of the featherless portions of the skin of a bird. Cf. pteryla. [1865 70; < NL; see A 6, PTER , IUM] * * * … Universalium
