Welted definition, a ridge or wale on the surface of the body, as from a blow of a stick or whip. See more.
AM stands for âante meridiemâ, which means âbefore noonâ in Latin, while PM stands for âpost meridiemâ, which means âafter noonâ in Latin. 12-Hour Periods. Most clocks today are 12-hour clocks â they divide the 24 hours in a day into two 12-hour periods.
AM is an abbreviation of the Latin words ante meridiem meaning before noon.It is used to designate the time from midnight to noon. It is also used in radio communication to mean Amplitude Modulation. A.M. is an acronym for the Latin term, Anti Meridian, (Before Noon).M is an abbreviation of the Latin words ante meridiem meaning before noon.