Post Morning
Post Meridian
Prime Meridian
AM stands for 'Ante Meridiem' (Latin for 'before midday') and PM stands for 'Post Meridiem' (Latin for 'after midday').
Prime Minister.
anno domini before christ
post meridian
post meridium
It stands for post meridiem which means "after midday" in Latin
PM stands for Personal Message. In Twitter this is a direct message.
Post Meridian
Prime Meridian
antemeridiem and postmeridiem
petite medium
Prime Minister
Prime Minister?
Plus-minus
personal message