grooved bit

The American Dictionary and Cyclopedia · 1910 · p. 26
A wood-boring tool, adapted to be used in a brace, and having a cylindrical stem with a spiral groove. IMG:content-0774.png:[blocks in formation] IMG:content-0775.png:[blocks in formation] The American Dictionary and Cyclopedia grooving groôv-ing, pr. par., a. & 8. [GROOVE, υ.] A. & B. As pr. par. & particip. adj.: (See the verb.) C. As subst.: The act or proce of cutting or forming a groove; a groove, or set of grooves.
Readham'da tam maddeyi gor →