The Collaborative International Dictionary
Pipelaying
Pipelaying \Pipe"lay`ing\, n., or Pipe laying \Pipe" lay`ing\
The laying of conducting pipes underground, as for water, gas, etc.
(Polit. Cant) The act or method of making combinations for personal advantage secretly or slyly; -- in this sense, usually written as one word. [U.S.]
Wiktionary
pipelaying
vb. (present participle of pipelay English)