Definition of mocking wren in US English:

mocking wren

noun

  • A North American wren of the genus Thryothorus; especially the Carolina wren, T. ludovicianus.

Origin

Mid 19th century; earliest use found in Thomas Nuttall (1786–1859), botanist. From mocking + wren, so called from its habit of mimicking the calls of other birds.

Pronunciation

mocking wren

/ˈmɒkɪŋ ˌrɛn/