keep time

verb5

1. •
   To measure time.
2. •
   To make any regular rhythmical movements at the same time with others.

   • He couldn't carry a tune in a wheelbarrow, but he keeps time like a damn machine.
3. •
   To control the beat or rhythm of a song played by a music group.

   • Isn't one of the conductor's main jobs to keep time?
4. •
   To indicate the time correctly (of a timepiece).

   • How well does this old watch keep time?
5. •
   To maintain a schedule set out in a timetable. (e.g. of a train)