gear hobber
1gear hobber — noun : a machine for milling gear teeth by means of a hob rotated at an angular velocity having a definite ratio to that of the work …
2gear cutter — noun 1. : a machine for milling, hobbing, planing, or shaping gear teeth compare gear hobber, gear shaper 2. : a milling cutter especially contoured to cut gear teeth see milling cutter illustration …
3hob — hob1 hobber, n. /hob/, n., v., hobbed, hobbing. n. 1. a projection or shelf at the back or side of a fireplace, used for keeping food warm. 2. a rounded peg or pin used as a target in quoits and similar games. 3. a game in which such a peg is… …
