Exorhiza \Ex`o*rhi"za\ ([e^]ks`[-o]*r[imac]"z[.a]), n.; pl. Exorhiz[ae] (-z[=e]). [NL. fr. Gr. 'e`xw outside + 'ri`za root.]

(Bot.) A plant Whose radicle is not inclosed or sheathed by the cotyledons or plumule. --Gray. Exorhizal

Source: The Collaborative International Dictionary of English v.0.48
 

Exorhiza \Ex`o*rhi"za\ ([e^]ks`[-o]*r[imac]"z[.a]), n.; pl. Exorhiz[ae] (-z[=e]). [NL. fr. Gr. 'e`xw outside + 'ri`za root.]

(Bot.) A plant Whose radicle is not inclosed or sheathed by the cotyledons or plumule. --Gray.

Source: Webster's Revised Unabridged Dictionary (1913)