in a place to be seen by anyone.

Plans for the new park are on view at the library this week.

• a man's got to do what a man's got to do.
• a man's man
• a mare's nest
• a marked man
• a marriage made in heaven
• a match made in heaven
• a matter of
• a matter of doing something
• a matter of life and death
• a matter of life or death
• a matter of opinion
• a matter of record
• a matter of something
• a matter of time
• a meal ticket
• a means to an end
• a medallion man
• a meeting of minds
• a meeting of the minds
• a melting pot
• a merchant of doom
• a mess of
• a mess of something
• a middle-aged spread
• a mile a minute