noun
historical, rare HorticultureThe loosening or removal of the soil round the roots of a tree or vine; the exposure of a plant's roots.
Origin
Late Middle English; earliest use found in Palladius' De Re Rustica. From classical Latin ablaqueātiōn-, ablaqueātiō act or process of loosening the soil at the roots of a tree from ablaqueāt-, past participial stem of ablaqueāre + -iō.
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