jumping jack
Concise Oxford English Dictionary © 2008 Oxford University Press:
jumping jack/ˈʤʌmpɪŋ/
▶noun
- 1 a jump done from a standing position with the arms and legs pointing outwards.
- 2 a toy figure of a man, with movable limbs.
- 3 Brit. dated a small firework producing repeated explosions.
'jumping jack' also found in these Oxford entries:

