Definition of blue hen in English:

blue hen

noun

US
  • 1A formidable fighter; a feisty, spirited, or quick-tempered person. Usually in plural.

  • 2historical
    A nickname for: a soldier from Delaware (frequently in plural with the, as the nickname of a particular regiment or company composed of these soldiers) (now historical). Later more generally: (a nickname for) a native or inhabitant of Delaware.

  • 3More fully Blue Hen State. A nickname for: the state of Delaware.

Origin

Early 19th century; earliest use found in Robert Henry (1718–1790), Church of Scotland minister and historian. From blue + hen.

Pronunciation

blue hen

/ˈbluː hɛn/