LSt.44:3 : ܬܠܐ ܒܝܬ ܕܝܘܬܐ ܕܩܕܡܘܗܝ ܘܡܚܗ݀ ܒܪܫܗ‏ : he picked up the ink stand in front of him and hit him on his head with it
See the entire entry for bēṯ dyōtā n.f. inkstand