fathom definition, fathom meaning | English dictionary

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1    a unit of length equal to six feet (1.829 metres), used to measure depths of water  
2      (Mining)   a unit of volume usually equal to six cubic feet, used in measuring ore bodies  
3      (Forestry)   a unit of volume equal to six cubic feet, used for measuring timber  
      vb   tr  
4    to measure the depth of, esp. with a sounding line; sound  
5    to penetrate (a mystery, problem, etc.); discover the meaning of  
     (Old English fæthm; related to Old Frisian fethem outstretched arms, Old Norse fathmr embrace, Old High German fadum cubit, Latin patere to gape)  
  fathomable      adj  
  fathomer      n  
English Collins Dictionary - English Definition & Thesaurus  


1    divine, estimate, gauge, measure, penetrate, plumb, probe, sound  
2    comprehend, get to the bottom of, grasp, interpret, understand  

English Collins Dictionary - English synonyms & Thesaurus  

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