Water; a body of water.

A rise in flowing water in the shape of a pinnacle or hump, caused by the power and varying forces of the river as it accelerates or changes direction.

a hump in the river's flowing water

something that rises rapidly; "a wave of emotion swept over him"; "there was a sudden wave of buying before the market closed"; "a wave of conservatism in the country led by the hard right"

a flat spot that will not hold water

a mass of water

a section of water which rises to a peak and then falls down

a specious unity, a pattern manifested in a substrate, water

Found on a river or in the sea, waves are often surfable in a boat.

Water Alliances for Environmental Efficiency

Most waves are caused by the wind. Tsunami waves are caused by the undersea displacement of a huge volume of water caused by an earthquake, volcano, rock slide, etc.

A unique feature of water that enables it to gain entry into your boat.