rhi·zome 
(rīzōm′)
(rīzōm′)n.
A horizontal, usually underground stem that often sends out roots and shoots from its nodes. Also called rootstock.
[Greek rhizōma, mass of roots, from rhizoun, to cause to take root, from rhiza, root; see wrād- in the Appendix of Indo-European roots.]
rhi·zoma·tous (-zŏmə-təs, -zōmə-) adj.
rhi·zomic adj.
rhizomeSolomon's seal rhizome
- polymyxin
- Polynesia
- Polynesian
- polyneuritic
- polyneuritis
- Polynices
- polynomial
- polynuclear aromatic hydrocarbon
- polynucleotide
- polynya
- polyomavirus
- polyp
- polyparium
- polypary
- Polypay
- polypeptide
- polypetalous
- polyphagia
- polyphagian
- polyphagous
- polyphagy
- polyphagy
- polypharmacy
- Polyphemus
- polyphemus moth