a period of approximately one twelfth of a year
temporal length of event or entity's existence, period
Cases of word usage
1) the third month of the year, with 31 days; (to cause a person) to walk as soldiers do, with regular steps (march)
2) to be allowed to; to have permission to; (used to express possibility); the fifth month of the year, with 31 days (may)
3) done, happening etc once a month; valid for one month (monthly)
4) the body which moves round the earth once in a month and shines at night (moon)
5) (Latin: 'post meridiem') after noon; per month (pm)