peeperbox
nounUK /ˈpiːpəbɒks/
US /ˈpiːpərbɑːks/
A peeperbox is a little box you look through to see something.
The children took turns looking through the peeperbox at the tiny birds.
SYNONYMS
OTHER MEANINGS
2. A small hidden opening used for watching without being seen.
He peeked through the peeperbox in the fence to watch the parade.
3. A toy device with lenses that shows pictures when you look inside.
Grandpa kept an old peeperbox full of seaside photos.
4. A slang term for a person who watches others secretly.
The neighbors called him a peeperbox for spying over the hedge.