eyehole

Noun (2)

1. a hole (in a door or an oven etc.) through which you can peepSynonyms: peepholespyholeType of holeKinds judas
2. a small hole (usually round and finished around the edges) in cloth or leather for the passage of a cord or hook or barSynonyms: eyeletType of holePart of boot, curtain, garment