D defs.my
Entry 2 senses Webster, 1913

battledoor

· bat·tle·door · IPA
01 n. 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…
  1. 1.
    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.
  2. 2.
    A child's hornbook.[Obs.]