Examples from the Web for pinhole
Example: "Sam, you have no idea how big this thing was…It was like putting like a watermelon into a pinhole."
But the least crevice is sufficient for the purpose; a pinhole will do the business.Memoirs of Benjamin Franklin; Written by Himself, Volume II (of 2)|Benjamin Franklin
Peculiar diffused effects can be obtained by using a fine slit in place of the pinhole.Photographic Amusements, Ninth Edition|Walter E. Woodbury and Frank R. Fraprie
I have seen a prize-winning picture in an exhibition that was made with a cigar box, with a pinhole in one end for a lens.Outdoor Sports and Games|Claude H. Miller