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 commâ¦unication to mean Amplitude  Modulation   A.M. is an acronym for the Latin term, Anti Meridian, (Before  Noon).