the world > the earth > weather and the atmosphere > weather > study or science of weather > meteorological instruments > [noun] > hygroscope > in form of toy cottage (4)
a doll's house; (also occasionally) †a barometer or hygrometer in the form of a small house, from which dolls emerge to indicate changes of weather…
a toy hygroscope in the form of a small house with figures of a man and woman standing in two porches; by the varying torsion of a string the man…