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fthm

 



Noun
1. fthm - a linear unit of measurement (equal to 6 feet) for water depth

fathom
linear unit - a unit of measurement of lengthyard,
pace - a unit of length equal to 3 feet; defined as 91.44 centimeters;
originally taken to be the average length of a stride

2. fthm - (mining) a unit of volume (equal to 6 cubic feet) used in measuring bodies of ore

fathom
mining, excavation - the act of extracting ores or coal etc from the earth
capacity measure, capacity unit, cubage unit, cubature unit, cubic content unit, cubic measure, displacement unit, volume unit - a unit of measurement of volume or capacity

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