411 REFERENCE · Wiktionary
Jack o' the clock
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Alternative forms
en jackaclock
Noun
s Jacks o' the clock Jack o' the clock
Any of the mechanical figures that emerge regularly to strike the bell of a clock.
See also
en jack-in-the-box
en eponyms