The material of which a plug or stopper is made.(noun)
An arrangement of plugs.(noun)
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Use "plugging" in a sentence
"But as a commitment to long-term fiscal responsibility, this is disingenuousness bordering on dishonesty. [also on iraq btw] while the economist article spells it out: ... it is more likely that higher taxes will play the largest part in plugging the deficit."
"But a local reporter pumping out false reports and then again plugging the biz with her phony apology, that to me, is only the tip of the iceberg."
"It will also assist in plugging these same companies into financial benefits at the federal level, which they have been unable to obtain in past years."