pinhole

Example: "Sam, you have no idea how big this thing was…It was like putting like a watermelon into a pinhole."

He has long worked with different types of photography, including pinhole cameras and camera obscura.

Let us say that such a thing occurs; you have pricked one pinhole too many round the corner of the mouth.

(b) A small impurity in the rubber may dissolve in the acid and leave a minute pinhole.

Between eye and nostril, on either side, was the sinister "pinhole," that is the infallible mark of the poison-sac serpent.

The idea of photography as an art has been discussed no doubt ever since the invention of the pinhole.

In a dark-room a light must be placed behind the pinhole, and a bit of ground glass held in front of the lens.