Longman Dictionary of Contemporary English - month

~ n 1 one of the twelve named periods of time that a year is divided into  (It snowed heavily during the month of January. | Phil is coming home for a visit next month. | She'll be thirteen this month. | a tremendous article in this month's American Indian Review) 2 a period of about four weeks  (She has an eight-month old daughter. | He'll be away for two months.) 3 once/twice etc a month happening or being done once, twice etc a month  (We update the schedule at least once a month.) 4 months a long time, especially several months  (Redecorating the kitchen took months. | for/in months (=for a long time))  (I haven't seen him for months.) 5 month after month used to emphasize that something happens regularly or continuously for several months  (I felt I was doing the same old thing week after week, month after month.) 6 month by month used when you are talking about a situation that develops over several months  (Unemployment figures are rising month by month.) 7 never in a month of Sundays spoken used to emphasize that something will definitely never happen  (You'll never guess it in a month of Sundays.)