- (Often preceding a date) approximately: built circa 1935More example sentences
- The ancient church dates to circa 1000 A.D. and is the oldest standing building in the parish of Aghamore.
- He discovered a settlement dating back to the early bronze age, circa 2000BC, in Warburton.
- Mountmellick courthouse was build circa 1840 and served the town for close on a century and a half.
mid 19th century: Latin.