Definition of rhizomorph
1 : an aggregation of fungal threads intertwining like the strands of a rope that frequently resembles a root and is characteristic of many basidiomycetes (as Armillaria mellea)
2 [rhiz- + -morph] : the lower part of the short cormoid axis from which the true roots develop in members of the genus Isoetes and various other lower vascular plants
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Origin and Etymology of rhizomorph
New Latin rhizomorpha, from rhiz- + -morpha, feminine singular of -morphus -morphous
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