• The laying of conducting pipes underground, as for water, gas, etc. • The act or method of making combinations for personal advantage secretly or slyly; -- in this sense, usually written as one word. Found on http://thinkexist.com/dictionary/meaning/pipe_laying/
• The laying of conducting pipes underground, as for water, gas, etc. • The act or method of making combinations for personal advantage secretly or slyly; -- in this sense, usually written as one word.