Ma'anar ƙamus na kalmar "kaguwa" wani ɓawon burodi ne mai faɗaɗɗen carapace, idanu, da ƙafafu guda biyar, waɗanda biyun farko nasu an canza su azaman pincers. Kalmar "kaguwa" kuma tana iya nufin mutum mai tsami ko maras lafiya ko motsi ta gefe, kamar a cikin "hangen tafiya."