(~s)
1.
A ~ is a pen made from a bird’s feather.
She dipped a ~ in ink, then began to write.
N-COUNT
2.
A bird’s ~s are large, stiff feathers on its wings and tail.
N-COUNT
3.
The ~s of a porcupine are the long sharp points on its body.
N-COUNT
(~s)
1.
A ~ is a pen made from a bird’s feather.
She dipped a ~ in ink, then began to write.
N-COUNT
2.
A bird’s ~s are large, stiff feathers on its wings and tail.
N-COUNT
3.
The ~s of a porcupine are the long sharp points on its body.
N-COUNT
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012