Adverb
1
simultaneously
"he took three cookies at a time"
2
at a previous time
"at one time he loved her"
"her erstwhile writing"
"she was a dancer once"
Prep_phrase
Example Sentences
"he took three cookies at a time"
adverb
"at one time he loved her"
adverb
"her erstwhile writing"
adverb
"she was a dancer once"
adverb