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• n  small root or division of a root

• It suits Tryon to imagine a great green heart beating slowly beneath the earth, with every rootlet and capillary in the village pulsing to it.
• A seed does not normally germinate until the rootlet of a suitable plant creeps close to it through the soil.
• Savaron, cursing brilliantly, burrowed down through the loams of illusion to the last dark rootlet of which words can tell.