Herodiones \He*ro`di*o"nes\ (h[-e]*r[=o]`d[i^]*[=o]"n[=e]z), n. pl. [NL., fr. Gr. 'erwdio`s a heron.] (Zool.) A division of wading birds, including the herons, storks, and allied forms. Called also {Herodii}. -- {He*ro`di*o"nine}, a. [1913 Webster]