1) Art and craft toy 2) Hasbro product 3) Measuring device 4) Measuring instrument 5) Measuring system 1) Toy 
instrument recording movements of breathing
• (n.) An instrument for recording the respiratory movements, as the sphygmograph does those of the pulse.
(spi´ro-graf) an apparatus for measuring and recording respiratory movements.
Spi'ro·graph noun [ Latin spirare to breathe + -graph .] (Physiol.) An instrument for recording the respiratory movements, as the sphygmograph does those of the pulse. 
Type: Term Pronunciation: spī′rō-graf Definitions: 1. A device for representing graphically the depth and rapidity of respiratory movements.
[n] - a measuring instrument for recording the depth and rapidity of breathing movements
spirograph A device for representing graphically the depth and rapidity of respiratory movements.
noun a measuring instrument for recording the depth and rapidity of breathing movements