'Haustorium' definitions:

Definition of 'haustorium'

(from WordNet)
noun
A root-like attachment in parasitic plants that penetrates and obtains food from the host

Definition of 'Haustorium'

From: GCIDE
  • Haustorium \Haus*to"ri*um\ (h[add]s*t[=o]"r[i^]*[u^]m), n.; pl. Haustoria (h[add]s*t[=o]"r[i^]*[.a]). [LL., a well, fr. L. haurire, haustum, to drink.] (Bot.) One of the suckerlike rootlets of such plants as the dodder and ivy. --R. Brown. [1913 Webster]