: a worker who by means of a centering machine locates the optical and focal centers, axis, and terminal points of ground lenses to guide workers who will cut, edge, trim, and mount the lenses
called alsospotter
3
: a device for training gun pointers without using ammunition consisting of a vertically oscillating paper target close to the gun's muzzle that is dotted by an electrically operated pencil at the point at which the sights are directed when the pointer presses the firing key
Word History
Etymology
Intransitive verb
Middle English doteren, perhaps alteration of toteren to totter
Share