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English definition of “plumb”

plumb

verb [T] (DEEP)    /plʌm/
specialized engineering to measure how deep something is, especially water Weighing and measuring to understand or discover all about something: Now that she had begun , she wanted to plumb her own childhood further .Understanding and comprehending
(Definition of plumb verb (DEEP) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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