Definition of "round the clock" in English

Prepositional phrase

1. Nonstop, 24 hours per day.

   • He had his team work round the clock to get the project finished in time.

Adjective

1. Alternative form of round-the-clock.

Noun

1. A variant of the game of darts in which players attempt to hit each section of the dartboard sequentially, from lowest to highest number.