Definition of circa
: at, in, or of approximately —used especially with dates <born circa 1600>
Examples of circa in a sentence
He was born circa 1600.
Origin and Etymology of circa
Latin, from circum around — more at circum-
First Known Use: 1861
CIRCA Defined for English Language Learners
Definition of circa for English Language Learners
: about or around
Seen and Heard
What made you want to look up circa? Please tell us where you read or heard it (including the quote, if possible).