(~s)
A ~ is an animal with many long, thin, sharp spikes on its back that stick out as protection when it is attacked.
N-COUNT
(~s)
A ~ is an animal with many long, thin, sharp spikes on its back that stick out as protection when it is attacked.
N-COUNT
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012