noun
Etymology: from present participle of chuck (VI)
: a reamer (as a twist drill) held in a chuck and usually being stationary while the workpiece revolves
noun
Etymology: from present participle of chuck (VI)
: a reamer (as a twist drill) held in a chuck and usually being stationary while the workpiece revolves
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012