Erect or construct, especially as a temporary measure(verb)
WordNet. Princeton University. 2010.
Use "rig up" in a sentence
"If you plan on towing a small car behind a motorhome for in-camp transportation, you must ensure that there is enough power for towing the entire rig up grades."
"` ` If a scarecrow will keep crows out of a cornfield, why couldn't I rig up something to scare off anybody that wanted to damage the Black Growler? ''"
"It would be no great trick for Chessingham to rig up a mechanism to take pictures automatically at pre-selected intervals."