Hypertext Webster Gateway: "haustoria"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Haustorium \Haus*to"ri*um\, n.; pl. {Haustoria}. [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.
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