1. (adverb)once, one time, in one case on one occasion "once I ran into her"
2. (adverb)once as soon as
"once we are home, we can rest"
3. (adverb)once, formerly, at one time, erstwhile, erst at a previous time "at one time he loved her"; "her erstwhile writing"; "she was a dancer once";
Definition of 'once'
