Wiktionary
n. (context UK English) The wren, ''Troglodytes troglodytes'', especially as considered (in nursery-rhymes etc.) as the wife or sweetheart of robin redbreast.
WordNet
n. and of several small active brown birds of the northern hemisphere with short upright tails; they feed on insects [syn: wren]
Wikipedia
"Jenny Wren" is a song by Paul McCartney from his 2005 album Chaos and Creation in the Backyard. It was also issued as the second single from the album in the United Kingdom 21 November 2005.
Usage examples of "jenny wren".
He was fond of saying that Jenny Wren had a classic profile and a brow surprisingly smooth and unlined considering that behind it so keen a brain ticked.
James Berkowitz, a physicist who tended to patronize mere physicians when they were too attractive to be despised, had a tendency to call her Jenny Wren when out of hearing.
If one was less afraid, it was Louisa, something of the practical jenny wren.