I. ˈkläkə(r) noun
( -s )
Etymology: clock (II) + -er
1. : one that times racehorses during workouts and records information that will be useful in grouping and handicapping the horses
2. : one that times a race or measures a flow (as of traffic)
3. : a worker who measures lens blanks for conformance to specified dimensions, verifies their focal strength, and inspects and sorts them — called also neutralizer, sizer
II. noun
( -s )
Etymology: clock (V) + -er
: one that embroiders clocks on stockings