— 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; 6 , PTER-, -IUM ]
— 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; 6 , PTER-, -IUM ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012