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Webster 1913 Edition

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(ha̤s-tō′rĭ-ŭm)

Noun.

;

pl.

Haustoria

(ha̤s-tō′rĭ-ȧ)

[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.

haustorium ‎(plural haustoria)

root of a parasitic plant