Source : Webster's Revised Unabridged Dictionary (1913)

Herodiones \He*ro`di*o"nes\, n. pl. [NL., fr. Gr. ? a heron.]
   (Zo["o]l.)
   A division of wading birds, including the herons, storks, and
   allied forms. Called also {Herodii}. -- {He*ro`di*o"nine}, a.