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Definition of: haustorium
(hôs·tôr′ē·əm, -tō′rē-) noun plural ·to·ri·a (-tôr′ē·ə, -tō′rē·ə) Bot.
A root or sucker found in certain fungi and parasitic plants by which they absorb nutriment without damage to the host. [<NL <L haustor drainer <haurire draw]
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