Definition of natation in English:

natation

noun

technical, literary
  • [mass noun] Swimming.

    • ‘From 4.27 to 6.47 pm various occupations (fencing, reflection, immobility, visits, contemplation, dexterity, natation, etc.)…’
    • ‘And natation, swimming, comes from natare… natatum; ‘nation’ as an alternative, along the lines of ‘dilation,’ would obviously be wrong.’

Origin

Mid 16th century: from Latin natatio(n-), from natare to swim.

Pronunciation:

natation

/nəˈteɪʃ(ə)n/