Meaning of fathom
Pronunciation: (fa'um), [key]
— n., pl. v. fath•oms, fath•om,
- a unit of length equal to six feet (1.8 meters): used chiefly in nautical measurements. Abbr.: fath
- to measure the depth of by means of a sounding line; sound.
- to penetrate to the truth of; comprehend; understand: to fathom someone's motives.
- fathom (Thesaurus)