plural of fathom

Third-person singular simple present indicative form of fathom

able to be fathomed

(chiefly nautical, historical) Originally, the distance between an adult man's arms stretched out away from the sides of his torso so that they make a straight line perpendicular to his body, measured from the tips of the longest fingers of each hand, generally reckoned to be six feet (about 1.8 metres); subsequently used as a unit for water depth but now generally replaced by the metre.

(also figuratively) To measure the depth of (water); to take a sounding of; to sound.

present participle of fathom

simple past tense and past participle of fathom

One who fathoms.

plural of fathomer

The quality of being fathomable.