plumbing

noun7

1. •
   The pipes, together with the joints, tanks, stopcocks, taps, and other fixtures of a water, gas, or sewage system in a house or other building.

   • Water was dripping from the ceiling, so we figured there was a problem with the plumbing.
2. •
   (informal) A system of vessels or ducts in the human body, especially the genitourinary system.

   • My plumbing was playing up, so I had to see the doctor.
3. •
   (slang, euphemistic) The genitourinary system.
4. •
   (informal, figurative) Practical, concrete work serving to support other work.

   • This is not scientific research as such: it's just plumbing.
5. •
   The trade or occupation of a plumber.
6. •
   The set of Git commands, such as `git hash-object` and `git write-tree`, which control the low-level state of the repository, typically not intended to be used in ordinary situations.
7. •
   A Murasugi sum where each disk summed along has its boundary subdivided into four segments.