noun a child's hornbook.
2. battledoor ·noun an instrument, with a handle and a flat part covered with parchment or crossed with catgut, used to strike a shuttlecock in play; also, the play of battledoor and shuttlecock.
noun a child's hornbook.
2. battledoor ·noun an instrument, with a handle and a flat part covered with parchment or crossed with catgut, used to strike a shuttlecock in play; also, the play of battledoor and shuttlecock.
Webster English vocab. Английский словарь Webster. 2012