The sea area(s) along the coast.

Any insect in the family Hebridae, which lives in vegetation in and around water

plural of velvet water bug

Any insect in the family Hydrometridae, aquatic insects related to the water strider

plural of water measurer

plural of giant water bug

Any insect in the family Belostomatidae, which are large, predatory true bugs.

Any insect in the family Naucoridae, aquatic predatory true bugs that look like toe biters

plural of creeping water bug

A telescope in which the medium between the objective and the eyepiece is water instead of air, used in some experiments involving aberration. / A telescope devised for looking into a body of water.