A bundle of modified heart muscle that transmits the cardiac impulse from the atrioventricular node to the ventricles causing them to contract(noun)
WordNet. Princeton University. 2010.
Use "bundle of his" in a sentence
"So he made a neat bundle of his woven mat and tied it with a vine thong, ignoring the chittering of Farli, who disapproved of his activity and of the fact that he was ignoring her gradually more insistent requests for food."