Barnabas Look up Barnabas at Dictionary.com
surname of Joseph the Levite of Cyprus (Acts iv.36), literally "son of exhortation," from Aramaic (Semitic) bar "son" + nabha "prophecy, exhortation." St. Barnabas' Day (colloquially St. Barnaby), June 11, in the Old Style calendar was reckoned the longest day of the year.