Haustorium
Pronunciation : Haus*to"ri*um
Part of Speech : n.;
Etymology : [LL., a well, fr. L. haurire, haustum, to drink.] (Bot.)
Definition : Defn: One of the suckerlike rootlets of such plants as the dodder and ivy. R. Brown.
pl. Haustoria.
Source : Webster's Unabridged Dictionary, 1913