| rhizome | <plant biology> A horizontal underground stem which can send out both shoots and roots, rhizomes sometimes have thickened areas that store starch. (23 Aug 1998) |
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| rhizome chaff | <botany> Mechanically chopped-up pieces of thin rhizomes spread on the ground and covered with soil so they can take root and form new plants. (23 Aug 1998) |
| rhizome cutting | <botany> Part of a thick rhizome, which may take root and form a new plant. (23 Aug 1998) |