boring dust (boring dust)

Same as boring, 3. boring-gage (bōr'ing-gāj), n. A clamp or stop fixed to the shank of a bit or other boring-tool to regulate the depth of the work. as boring - machine. (boring-rod), A jointed n. Carpenters' Boring-machine. rod to which the tools used in earth-boring and rock-drilling are attached. boring-sponge (bor'ing-spunj), n. A salt-water sponge of the genus Cliona, which bores into shells and limestone. boring-table (boring-ta"bl), n. The platform supporting the work in a boring-machine. borism, n. See boreism. boritht, n. [ N. E. D.