Definition of a tempo in English:

a tempo

adjective & adverb

Music
  • (especially as a direction) in the previous or original tempo.

    • ‘The second theme, introduced by the cellos, is played a tempo.’
    • ‘The ‘tutti’ that follows is also marked ‘a tempo’.’
    • ‘The third and fourth movements were taken at a rather quick tempo altogether, with the furtive cello melody at the beginning played a tempo each time.’
    • ‘Performers who play every note a tempo and with the same emphasis sound mechanical.’
    • ‘These were played a tempo and quite speedily.’

Origin

Italian, literally ‘in time’.

Pronunciation

a tempo

/ɑː ˈtɛmpəʊ/