plumbing

noun

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. The trade or occupation of a plumber.
3. 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.”

   “I am sure that there are those who dislike me […] but as a person, not for the sake of my plumbing.”

4. Practical, concrete work serving to support other work.

   “This is not scientific research as such: it's just plumbing.”

5. A Murasugi sum where each disk summed along has its boundary subdivided into four segments.
6. The genitourinary system.
7. The set of Git commands, such as {{#tag:syntaxhighlight|git hash-object|inline="True"|lang="text"|style="white-space:pre-wrap;"}} and {{#tag:syntaxhighlight|git write-tree|inline="True"|lang="text"|style="white-space:pre-wrap;"}}, which control the low-level state of the repository, typically not intended to be used in ordinary situations.

   “Coordinate term: porcelain”

   “The {{#tag:syntaxhighlight|git(1)|inline="True"|lang="text"|style="white-space:pre-wrap;"}} manpage includes a list of all the Git commands separated into porcelain and plumbing. The distinction between plumbing and porcelain commands was mentioned as a tip in Chapter 4, Managing Your Worktree, when we encountered the first low-level plumbing command without a user-facing and user-friendly porcelain equivalent.”