The Collaborative International Dictionary of English v.0.48:

Estrade \Es`trade"\ ([asl]s`tr[.a]d"), n. [F., fr. Sp. estrado,
   orig., a carpet on the floor of a room, also, a carpeted
   platform, fr. L. stratum bed covering. See Stratum.]
   (Arch.)
   A portion of the floor of a room raised above the general
   level, as a place for a bed or a throne; a platform; a dais.
   [1913 Webster]

         He [the teacher] himself should have his desk on a
         mounted estrade or platform.             --J. G. Fitch.
   [1913 Webster]