- waterscorpion
- wa•ter•scor•pi•on[[t]ˈwɔ tərˌskɔr pi ən, ˈwɒt ər-[/t]] n.ent any of several predatory aquatic bugs of the family Nepidae, having a long respiratory tube at the end of the abdomen•Etymology: 1675–85
From formal English to slang. 2014.