fathom
//ˈfæð.əm//
Noun
fathomSingular
fathomsPlural
1
A unit of length equal to six feet (approximately 1.83 meters), used especially for measuring the depth of water.
The shipwreck lies at a depth of twenty fathoms.
Verb
fathomInfinitive
fathomPresent tense
fathomedPast tense
fathomedPast participle
fathomingPresent participle
fathomsThird-person singular
1
To understand something completely, especially something difficult or mysterious.
I cannot fathom why she made that decision.
2
To measure the depth of water.
The sailors fathomed the harbor before anchoring.