once
adverb
on one occasion
“once I ran into her”
as soon as
“once we are home, we can rest”
at a previous time
“at one time he loved her”
“her erstwhile writing”
Source: WordNet 3.1, Princeton University
Once meaning
What does “once” mean? Definitions, examples, synonyms and opposites.
“once” is an adverb with 3 meanings. Its most common meaning is: on one occasion.