The definition of a clock is a device for measuring and showing the time of day, or a decoration on the side of a sock or stocking coming up from the ankle.(noun)
Clock means to measure speed or time.(verb)
An example of clock is to record how long it takes a runner to finish a marathon.
See clock in Webster's New World College Dictionary
Origin: ME clokke, orig., clock with bells < ML clocca, bell < Celt, as in OIr cloc (> OE clugge, OHG glocka), bell < ? IE base *kel-, to cry out, sound > clamor
Origin: < ? clock, because of orig. bell shape
See clock in American Heritage Dictionary 4
Origin: Middle English clokke
Origin: , from Old North French cloque, bell
Origin: , or from Middle Dutch clocke, bell, clock
Origin: , both from Medieval Latin clocca, of imitative origin.
Origin: Perhaps from clock1, bell (obsolete), from its original bell-shaped appearance.
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