Plural of ambulator; multiple people who walk or move about, or devices that aid in walking.
From Latin 'ambulare' (to walk) + '-tor' (one who does) + English plural '-s.' The '-tor' suffix creates agent nouns describing people who perform a particular action.
In physical therapy, 'ambulators' is a technical term for people who can walk independently—it's how therapists categorize patients, and progression from 'non-ambulator' to 'ambulator' is a major recovery milestone!
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