An expanse of an ocean, sea, or large lake which is distant from shore and devoid of nearby islands or other obstructions.

Third-person singular simple present indicative form of water down

present participle of water down

Tropical duckweed, water lettuce (Pistia stratiotes).

Alternative form of backwater; the water held back by a dam or other obstruction

Alternative spelling of semi-heavy water

(aviation) An aircraft used for firefighting by dropping large quantities of water on a fire.

That allows water to permeate through its structure

Alternative spelling of waterhole

plural of water table