Noun
spinning jenny (plural spinning jennies)
(historical) An early spinning machine having multiple spools.
Later, the invention of the James Hargreaves ' spinning jenny in 1764, Richard Arkwright 's spinning frame in 1769 and Samuel Crompton 's spinning mule in 1775 enabled British spinners to produce cotton yarn at much higher rates. Source: Internet
The subsequent invention of the spinning jenny water frame redressed the balance but required water power to operate the machinery, and the industry relocated to West Yorkshire where this was available. Source: Internet
Invented by James Hargreaves in 1764, the spinning jenny was one of the innovations that started the revolution. Source: Internet