month 
/ˈmʌnθ/ noun
plural months /ˈmʌnθ/ noun 1 [count] : any one of the 12 parts into which the year is divided
▪ July is my favorite month. ▪ It was hard to keep warm in the cabin during the winter months. ▪ the merry month of May ▪ The payments are due (on) the third of the month. [=on the third day of every month] ▪ We visit them twice a month. [=two times every month] ▪ I saw her last month and I'll see her again next month. ▪ The price changes from month to month. = The price changes each/every month. ▪ The price sometimes changes dramatically from one month to the next. ▪ His health has been getting better month by month. = His health has been getting better with each passing month. [=his health has been getting better in a gradual and steady way as months have passed] ▪ These problems have continued month after month. [=for several or many months] 2 [count] : a period of time that lasts about four weeks or 30 days
▪ The baby is four months old. [=a four-month-old baby] ▪ a pregnant woman who is in her eighth month = a woman who has been pregnant for eight months ▪ He was gone for a month. ▪ She was back to work a month after the accident. ▪ I'll be seeing her again in a month. = I'll be seeing her again a month from now. = I'll be seeing her again in a month's time. 3 months [plural] : a long period of time that is less than a year
▪ He's been gone for months. ▪ I haven't talked to her in months.
▪ July is my favorite month. ▪ It was hard to keep warm in the cabin during the winter months. ▪ the merry month of May ▪ The payments are due (on) the third of the month. [=on the third day of every month] ▪ We visit them twice a month. [=two times every month] ▪ I saw her last month and I'll see her again next month. ▪ The price changes from month to month. = The price changes each/every month. ▪ The price sometimes changes dramatically from one month to the next. ▪ His health has been getting better month by month. = His health has been getting better with each passing month. [=his health has been getting better in a gradual and steady way as months have passed] ▪ These problems have continued month after month. [=for several or many months]
▪ The baby is four months old. [=a four-month-old baby] ▪ a pregnant woman who is in her eighth month = a woman who has been pregnant for eight months ▪ He was gone for a month. ▪ She was back to work a month after the accident. ▪ I'll be seeing her again in a month. = I'll be seeing her again a month from now. = I'll be seeing her again in a month's time.
▪ He's been gone for months. ▪ I haven't talked to her in months.
a month of Sundays
informal : an extremely long time
▪ I haven't talked to her in a month of Sundays.
▪ I haven't talked to her in a month of Sundays.
of the month
: chosen for special honors or attention during a particular month
▪ He's been chosen as the employee of the month four times this year! [=chosen as the employee who is honored in a particular month for doing excellent work] ▪ the book of the month — see also flavor of the month at 1flavor
▪ He's been chosen as the employee of the month four times this year! [=chosen as the employee who is honored in a particular month for doing excellent work] ▪ the book of the month — see also flavor of the month at 1flavor
