Meaning of ironhead in English:

ironhead

Pronunciation /ˈʌɪənhɛd/

noun

(also ironheads)
  • 1North American dialect, rare The goldeneye (duck), Bucephala clangula, of which the male has a mainly greenish-black head and the female a brown head.

  • 2The wood stork, Mycteria americana.

Origin

Mid 19th century (in an earlier sense). In some forms from iron + head.