What is the meaning of Ones?

plural of one

A senior or first team (as opposed to a reserves team).

The cells located on the ground floor.

plural of one

Obsolete form of one's.

third-person singular simple present indicative of one

plural of ona

once (one time)

At any time, ever:

1. once (formerly)

   once (formerly)

   one day (in the future)

   dative plural of on

   Source: wiktionary.org