Dictionary Definition:
ud-√granth P. -grathnāti, or -granthati, to bind up, tie into bundles, tie up, truss AitBr. TBr. ĀśvŚr. &c
• to fasten, wind MBh.: Kauś
• to unbind, loosen BhP.: Caus. -grathayati, to unbind, loosen BhP. iv, 22, 39