Simple past tense and past participle of tunnel.(verb)
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Use "tunneled" in a sentence
"Data is 'tunneled' and possibly this is tricking the ISP into allowing a higher bandwidth."
"Once the lead placement is deemed correct and the therapy is working, the device that generates the stimulation is implanted subcutaneously with the lead "tunneled" over from the therapy site to the device site - all are fully under the skin and stay there."
"A Translake committee studied 520 from 1997 to 2003, while throughout 2008 a nonbinding "mediation" group of 33 stakeholders, neighbors and officials disagreed, some backing billion-dollar variations such as tunneled Montlake exits."