Word Study
cippus |
cipro |
ciprofloxacin |
cira |
circ |
circa
| circadian
| circadian rhythm
| circaea
| circaea alpina
| circaea lutetiana
circa
CIDE DICTIONARY
circa, adv. [L.].
Approximately; about; commonly abbreviated ca. ; -- used especially before dates and numerical measures; as, he was born circa 1650; ca. 50 feet high. [PJC]
For further exploring for "circa" in Webster Dictionary Online