month

One of the twelve named parts of a year, such as January or June.

• May is my favorite month.
• Which month is your birthday in?
• The winter months are cold here.

Common phrases: next month, last month, every month

A period lasting about thirty days.

• We stayed for a month.
• The work took three months.
• Can you finish it within a month?

Common phrases: for a month, a month ago, within a month

A unit of time roughly equal to one journey of the moon around the earth.

• A lunar month lasts about four weeks.
• The calendar follows the length of a lunar month.
• Astronomers distinguish different kinds of lunar months.

Common phrases: lunar month, sidereal month