# Definitions and Synonyms of *fathom* | Another word for *fathom* | What is *fathom? *

*Definition 1: a linear unit of measurement (equal to 6 feet) for water depth - [noun denoting quantity]*

*Synonyms for fathom in the sense of this definition*

*(**fathom* is a kind of ...) a unit of measurement of length

*fathom*is a kind of ...) a unit of measurement of length

*(**fathom* is a part of ...) a unit of length equal to 3 feet; defined as 91.44 centimeters; originally taken to be the average length of a stride

*fathom*is a part of ...) a unit of length equal to 3 feet; defined as 91.44 centimeters; originally taken to be the average length of a stride

*Definition 2: (mining) a unit of volume (equal to 6 cubic feet) used in measuring bodies of ore - [noun denoting quantity]*

*Synonyms for fathom in the sense of this definition*

*(**fathom* is a kind of ...) a unit of measurement of volume or capacity

*fathom*is a kind of ...) a unit of measurement of volume or capacity

*capacity measure**capacity unit**cubage unit**cubature unit**cubic content unit**cubic measure**displacement unit**volume unit*

*(fathom* belongs to category ...) the act of extracting ores or coal etc from the earth

## Definition 3: measure the depth of (a body of water) with a sounding line - [verb of change]

## Definition 4: come to understand - [verb of cognition]

### Synonyms for fathom in the sense of this definition

### (*fathom* is a kind of ...) know and comprehend the nature or meaning of

*"She did not understand her husband"*

*"I understand what she means"*