fathom

n 1: a linear unit of measurement (equal to 6 feet) for water

depth [syn: {fthm}]

2: (mining) a unit of volume (equal to 6 cubic feet) used in

measuring bodies of ore [syn: {fthm}]

v 1: come to understand [syn: {penetrate}, {bottom}]

2: measure depths with a sounding line, as of a body of water

[syn: {sound}]