The word "gerrid" refers to any member of a family of insects known as water striders or pond skaters. These insects are known for their ability to skim across the surface of water due to their long, slender legs and small, lightweight bodies. Synonyms for "gerrid" include pond skater, water skeeter, and water skater. Other related words include water bug, water beetle, and aquatic insect. While there are many different types of water striders found around the world, all are adapted to life on the surface of ponds, lakes, and streams and play an important role in the ecosystem.