pipes is a form of:

Coalition



noun
1.
(A union, a combination, a temporary alliance of political parties, nations, etc. -coal oil petroleum obtained by fractional distillation of coal kerosene, crude petroleum. -coal pit coal mine) ការរួមគ្នាជាបក្ស, ការព្រួតដៃគ្នា, ការបបួលប្រយុទ្ធតទល់, ការរួបរួមគ្នា (សហពលកម្ម)
2.
(បច្ចេកទេស) ក្រុមចម្រុះ, រដ្ឋាភិបាលចម្រុះ, សម្ព័នភាពនយោបាយបណ្តោះអាសន្ន
Example: three-party coalition
ឧទាហរណ៍៖ រដ្ឋាភិបាលចម្រុះ៣គណបក្ស
ENGLISH MEANING
noun
1.
A combination, for temporary purposes, of persons, parties, or states, having different interests.
2.
The act of coalescing; union into a body or mass, as of separate bodies or parts; as, a coalition of atoms.