My grandmother had antimacassars on her chairs, but I thought they were just called Chair Covers. When I heard the real word for them, I thought it meant they had belonged to Auntie Macassar - mercifully I never asked who she was.
A childhood belief about around the house

others believed things like this
- For years I heard the word "pedophile" and thought it meant a pedicurist's tool.— Lauren
- In first grade, I thought that if I've never heard of a word before, then it wasn't a word.— Destiny
- When I was little, I thought there were tiny cameras everywhere and they belonged to the government.— Brooke
- I used to believe that "nuptial" was a naughty word. I thought it meant nipple. XD— Sara Hagen
- When I was young, I heard the word 'minion' for the first time and thought it was a miniature onion.— Karin
- When I used to see a sign saying "Littering Fine" I thought they meant if you littered REAL GOOD!— Lou V.