fthm, n.
(fthms)
(fthms)
(mining) a unit of volume (equal to 6 cubic feet) used in measuring bodies of ore
<noun.quantity>
fathom fthm
semantic pointers
domain of synset (topic)
hypernym
a linear unit of measurement (equal to 6 feet) for water depth
<noun.quantity>
fathom fthm
lexical pointers
derivationally related form