spirograph
Concise Oxford English Dictionary © 2008 Oxford University Press:
spirograph/ˈspʌɪrəɡrɑːf/
▶noun
- 1 an instrument for recording breathing movements.
- 2 (Spirograph) trademark a toy which is used to draw intricate curved patterns using interlocking plastic cogs and toothed rings of different sizes.
– derivatives
spirographic adjective.
spirographic adjective.
'spirograph' also found in these Oxford entries:

