(obsolete) A seaman, a sailor. / A man who lives or works on the water; a boatman. / Someone who distributes or supplies water for a living; a water-carrier.

A surname.

plural of waterman's knot

A loop knot made in the bight. Favoured by fishermen as quick and secure. Also known as fisherman's knot, fisherman's loop, English knot, Englishman's knot, water knot.

Skill in propelling oneself through the water, whether by swimming or boating.