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Noun: cluster bean  klús-tu(r) been
  1. Drought-tolerant herb grown for forage and for its seed which yield a gum used as a thickening agent or sizing material
    - guar, Cyamopsis tetragonolobus, Cyamopsis psoraloides

Derived forms: cluster beans

Type of: legume, leguminous plant

Part of: Cyamopsis, genus Cyamopsis

Encyclopedia: Cluster bean