glory hole

/G L AO1 R IY0 HH OW1 L/
noun
  1. 1

    A hole in a mineshaft where an orebody is mined upwards until it breaks through the surface into the open air.

  2. 2

    (sexual) A hole in a screen or wall big enough to allow an erect penis to be stuck through, made to facilitate anonymous sex with another person.

    โ€œGlory holes are often found in public toilets and are likely to be used for gay male activities.โ€

  3. 3

    A military trench.

  4. 4

    An excavation into the sea floor designed to protect the wellhead equipment installed at the surface of a petroleum well from icebergs or pack ice.

  5. 5

    A hole in the side of a furnace used to heat glass held on a metal rod.

  6. 6

    A deep built-in cupboard under the eaves or stairs of a house used for general storage, particularly of unrelated or unwanted items stored in some disorder.

  7. 7

    In the merchant and Royal Navy:

  8. 8

    A bell-mouth spillway: a spillway (a structure in the reservoir above a dam that allows overflowing water to be released in a controlled fashion) that is shaped like an upside-down bell, thereby giving the appearance of a hole in the surface of the water.

  9. 9

    An especially good place to fish, a particularly rich fishing spot.

Source: https://en.wiktionary.org/wiki/glory%20hole