Nahum 2:7; Nineveh's maids "tabering upon their breasts," i.e. beating on them as on a tambourine. The tabor, tabret, or timbrel is the tambourine, a musical instrument beaten as a drum.
Bibliography Information Fausset, Andrew Robert M.A., D.D., "Definition for 'Tabering' Fausset's Bible Dictionary". bible-history.com - Fausset's; 1878.