Alternative forms edit
From Middle English seewater, se water, from Old English sǣwæter (“seawater”), equivalent to sea + water. Cognate with Saterland Frisian Seewoater (“seawater”), West Frisian seewetter (“seawater”), Dutch zeewater (“seawater”), Icelandic sjóvatn (“seawater”).
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seawater (not comparable)
- (not comparable) Consisting of seawater.
- The continual seawater splashes corroded our equipment
- (not comparable) Associated in some way with seawater, or intended for dealing with seawater.