noun, plural jen·nies.
- spinning jenny.
- the female of certain animals, especially a female donkey or a female bird: a jenny wren.
noun, plural jen·nies. Nautical Slang.
noun
- a female given name, form of Jennifer.
noun plural -nies
- a hand-operated machine for turning up the edge of a piece of sheet metal in preparation for making a joint
- the female of certain animals or birds, esp a donkey, ass, or wren
- short for spinning jenny
- billiards snooker an in-offSee long jenny, short jenny
fem. personal name, originally diminutive of Jane or Janet; attested from c.1600 as female equivalent of jack (n.), and like it applied to animals (e.g. Jenny wren, 1640s) and machinery (spinning jenny, 1783).