Easton's Bible Dictionary Playing on a small drum or tabret. In Nahum 2:7, where alone it occurs, it means beating on the breast, as players beat on the tabret.

Multi-Version Concordance Tabering (1 Occurrence) Nahum 2:7 And Huzzab shall be led away captive, she shall be brought up, and her maids shall lead her as with the voice of doves, tabering upon their breasts. (KJV JPS WBS YLT)