Word.ws English Dictionary

pin-hole

pin-hole is the alternative spelling of pinhole.

Meaning of pinhole

Noun

pinhole (plural pinholes)

  1. A small hole, of a size that could have been made by a pin
  2. The aperture in a pinhole camera or camera obscura
    • These [the eyes of the nautilus] are the simplest eyes of any large living animal -- lensless 'pinholes' that project a hazy and rather dim image onto its retinas.2012, Caspar Henderson, The Book of Barely Imagined Beings, page 216
  3. A port left unprotected by a firewall to allow a particular application to gain access to a service.
  4. A clipping of pinhole eye, which refers to the compact eye structure associated with intense tropical cyclones.

See all 5 meanings of pinhole

Forms of pin-hole

pluralpin-holes

Questions about pin-hole

What is pin-hole the alternative spelling of?
Pin-hole is the alternative spelling of pinhole.

Words near pin-hole in the dictionary

  1. pin-dropping
  2. pin-eyed
  3. pin-head
  4. pin-headed
  5. pin-heads
  6. pin-hole
  7. pin-holes
  8. pin-money
  9. pin-pen merger
  10. pin-point
  11. pin-pointed

Source and license

Adapted from Wiktionary: pin-hole (page history and authors); pinhole (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “pin-hole.” Word.ws, https://word.ws/pin-hole. Based on Wiktionary, CC BY-SA 4.0.