Definition of ambulation in US English:

ambulation

noun

technical, formal
  • See ambulate

    • ‘After transfer, a nurse or physical therapist assists the patient with progressive ambulation.’
    • ‘Most patients progress to assisted ambulation and full weight bearing.’
    • ‘It was late October and he had been complaining of shortness of breath, difficulty in ambulation, and generally feeling very sick.’
    • ‘The pediatrician noted slight delay in ambulation at 12 months, but in line with maternal developmental patterns.’
    • ‘Patient compliance is improved because ambulation is permitted.’

Pronunciation

ambulation

/ˌambyəˈlāSHən/