What's in a name? A lot of confusion, actually. For instance, gypsum doesn't get its due for its iconic place in the classroom. Learn more about that and 11 other confusing names within the English language.
Russian Dressing

Source: Washington Post
Starfish

Source: National Ocean Service
Funny Bone

Source: New England Baptist Hospital
Tin Foil

Source: Mental Floss
Chinese Checkers

More: 5 Everyday Things (That Have Secret Racist Origin Stories)
Guinea Pig

Source: San Diego Zoo
Hawaiian Pizza

Source: BBC