What does "water strider" mean?

Any of a number of predatory insects in the family Gerridae, which rely on surface tension to walk on top of water.

What is a synonym for "water strider"?

Common synonyms include: gerris, pond-skater, skater, water skater.

noun

noun ·Rare ·Advanced level

Noun

1
Any of a number of predatory insects in the family Gerridae, which rely on surface tension to walk on top of water.
2
long-legged bug that skims about on the surface of water wordnet