February
February , noun
[Latin Februarius, orig., the month of expiation, because on the fifteenth of this month the great feast of expiation and purification was held, from februa, pl., the Roman festival or purification; akin to februare to purify, expiate.]
The second month in the year, said to have been introduced into the Roman calendar by Numa. In common years this month contains twenty-eight days; in the bissextile, or leap year, it has twenty-nine days.