Definition of "dangler"

‘You see,’ she cried, ‘what a Herd of Danglers flutter around you […].’

1770, Frances Burney, Journals & Letters, Penguin 2001, 10 January

Such once was I, a dangler to the fair; / Still, as a glass, I praise their dress, their air […]

1783, Samuel Hoole, Aurelia; Or, the Contest

Long hair piled high on top of the head or cut to a short, curvy crop, needs the balance provided by large, dramatic earrings. Those with tresses frizzed into Pre-Raphaelite waves will like the look of huge hoops or ethnic danglers in wood […]

1985, Susi Rogol, Create a Look with Jewelry, page 22

Similarly, participles ending in “ing” often cause danglers in scientific writing: […]

2014, Silvia M. Rogers, Mastering Scientific and Medical Writing: A Self-help Guide, page 43

"Why do I have to feed her? Why do I have to look after her? I'm a girl. Ort doesn't have to 'cause he's a boy, 'cause he's got a dangler and I haven't."

1986, Tim Winton, 'That Eye, the Sky' , Penguin Books Australia Ltd 1988 edition (Chapter 6, at p.52)

Stupid kitten! First he thought he was a fish, now he thinks he's a mole. The vet says it's because he's missing one of his danglers.

2000 January 18, cormaic, “Wildlife Ponds”, in uk.rec.gardening‎ (Usenet)