D defs.my
Entry 1 sense Webster, 1913

Shakedown

/shāk'-dounˌ/ · Shake·down · IPA /ˈʃeɪkdaʊn/
01 n. A temporary substitute for a bed, as one made on the floor or on chairs; -- perhaps originally from the shaking down of straw for this purpose.
  1. 1.
    A temporary substitute for a bed, as one made on the floor or on chairs; -- perhaps originally from the shaking down of straw for this purpose.