saḥ - He; tam - him; gṛhītvā - seizing; prapadoḥ - by the hooves; bhrāmayitvā - whirling around; eka-pāṇinā - with a single hand; cikṣepa - He threw; tṛṇa-rāja-agre - into the top of a palm tree; bhrāmaṇa - by the whirling; tyakta - giving up; jīvitam - his life.

Lord Balarāma seized Dhenuka by his hooves, whirled him about with one hand and threw him into the top of a palm tree. The violent wheeling motion killed the demon.